# Open source alternatives

alternative

1Password_

Hosted password manager and secrets vault.

Hosted crypto trading bot platform.

alternative

500px_

Photography community and portfolio platform with paid membership tiers.

Managed realtime pub/sub and edge messaging platform.

Appointment booking with intake forms and payments, by Squarespace.

alternative

Adobe Acrobat_

Subscription PDF editor, converter, and e-sign suite.

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Adobe Experience Manager_

Adobe's enterprise digital experience platform.

alternative

Adobe PDF Services_

Adobe's cloud API for creating and manipulating PDFs.

Adobe's UI/UX design and prototyping app.

Enterprise payroll and HR outsourcing service, priced per employee per run.

alternative

Adyen_

Enterprise global payments platform.

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Agora_

Pay-as-you-go real-time voice and video APIs.

alternative

Airtable_

Spreadsheet-database for apps and workflows.

Enterprise data catalog and intelligence platform.

alternative

Algolia_

Managed search-as-a-service for site and app search.

Serverless SQL queries over S3, billed per query

alternative

Amazon Bedrock_

AWS managed service for calling foundation models.

alternative

Amazon Bedrock Agents_

AWS managed service for building and running AI agents.

AWS user sign-up, sign-in, and access control.

alternative

Amazon ECR_

AWS's managed Elastic Container Registry.

alternative

Amazon Kendra_

Managed intelligent enterprise search from AWS.

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Amazon Kinesis_

AWS's fully managed real-time data streaming service.

alternative

Amazon MSK_

AWS's fully managed Apache Kafka service.

AWS's fully managed graph database service

Amazon's cloud photo storage bundled with Prime.

alternative

Amazon Polly_

AWS pay-per-character text-to-speech service.

alternative

Amazon Redshift_

AWS cloud data warehouse for analytics.

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Amazon S3_

Scalable cloud object storage with an S3 API.

alternative

Amazon SageMaker_

AWS-managed platform for notebooks and ML pipelines.

AWS managed data labeling service.

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Amazon SQS_

AWS's fully managed message queue service.

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Amazon Timestream_

AWS-managed time-series database billed per write, query, and stored GB.

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Amazon Translate_

AWS pay-per-character translation service.

alternative

Amplitude_

Hosted product analytics for behavioral cohorts.

Freemium shared grocery lists and recipe manager.

alternative

Apify_

Cloud platform for web scraping and automation.

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Apigee_

Google Cloud's managed API management platform.

alternative

AppDynamics_

Cisco's hosted APM and full-stack observability.

Apple's ebook and audiobook store and reading app.

alternative

Asana_

Proprietary work management for teams and projects.

Configurable cloud asset-tracking platform.

Managed Apache Airflow in the cloud.

Active metadata and data catalog platform.

Amazon's audiobook store and subscription app.

alternative

Auth0_

Hosted authentication and identity platform.

Twilio's multi-device 2FA authenticator app.

Cloud-native RPA for business process automation.

Amazon's full-stack app development platform.

alternative

AWS API Gateway_

Amazon's fully managed API gateway service.

Amazon's managed GraphQL and API backend.

Amazon's browser-based cloud IDE on EC2.

alternative

AWS IoT Core_

Amazon's fully managed MQTT broker and device gateway.

alternative

AWS Secrets Manager_

Managed secret storage and rotation on AWS.

Amazon's serverless workflow and state-machine orchestrator.

AWS's operations and node automation service.

alternative

AWS Transfer Family_

Fully managed SFTP, FTPS, and FTP into AWS storage.

alternative

AWS Verified Permissions_

Managed Cedar-based authorization service.

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Azure AI Search_

Managed vector and hybrid search for RAG on Azure.

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Azure API Management_

Microsoft's managed API gateway and portal.

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Azure Artifacts_

Microsoft's hosted package feeds in Azure DevOps.

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Azure Blob Storage_

Microsoft Azure's cloud object storage.

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Azure Container Registry_

Microsoft's managed container registry on Azure.

Microsoft's managed multi-model database

Microsoft's managed cloud ETL and data pipeline service.

alternative

Azure DevOps_

Microsoft's cloud repos, boards, and pipelines.

Microsoft's serverless stateful orchestration for Azure Functions.

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Azure Event Hubs_

Microsoft's fully managed big-data event streaming service.

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Azure IoT Hub_

Microsoft's managed device-to-cloud messaging service.

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Azure Key Vault_

Managed secrets, keys, and certificates on Azure.

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Azure OpenAI Service_

Microsoft's managed API for OpenAI models on Azure.

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Azure Service Bus_

Microsoft's fully managed enterprise message broker.

Atlassian's CI/CD server with per-agent licensing.

Popular SaaS HRIS for small and mid-sized companies, billed per employee.

alternative

Basecamp_

37signals' all-in-one project and team collaboration app.

Apple-only markdown notes app with tags and a polished editor.

AI presentation software with auto-designing slide templates.

alternative

BigCommerce_

The hosted SaaS commerce platform.

alternative

Bitbucket_

Atlassian's cloud git hosting, pull requests, and pipelines.

alternative

Bitly_

Cloud link shortener with QR codes and analytics.

Hosted crypto payment processing for merchants.

Proprietary LMS for schools and universities.

Enterprise RPA with a digital workforce of software robots.

Subscription tracking beyond a single phone

Hosted AI app builder that codes in the browser.

alternative

Box_

Cloud content management and file sharing for business.

alternative

Braintree_

PayPal-owned payment gateway.

Proprietary LLM evaluation and monitoring platform.

Enterprise customer engagement and messaging.

alternative

Buffer_

Simple social media scheduling.

Hosted crash and error monitoring for apps.

Hybrid CI/CD: hosted control plane, your own build agents.

Share a link, let people book open slots on your calendar.

Paid screen recorder and video editor.

Proprietary customer feedback, voting, and roadmap platform.

Drag-and-drop design tool with resume and document templates.

Hosted AI character chat and roleplay platform.

Hosted subscription billing and revenue management.

alternative

ChatGPT_

OpenAI's hosted AI chat app and Plus subscription.

alternative

ChatGPT Enterprise_

OpenAI's paid team plan with company-data connectors.

Self-hosted community platforms that replace Circle

Hosted CI/CD platform priced on credits and concurrency.

Anthropic's agentic coding tool for the terminal.

Personal relationship manager that enriches and surfaces your network.

alternative

Clerk_

Hosted authentication and user management for apps.

All-in-one work app for tasks, docs, and goals.

Own your timesheets and reports

alternative

CloudConvert_

Online file conversion service and API.

alternative

Cloudflare AI Gateway_

Cloudflare's managed proxy in front of your LLM providers.

alternative

Cloudflare Images_

Store, resize, and deliver images from Cloudflare's network.

Cloud media management, image and video optimization, and delivery.

All-in-one doc that blends text, tables, and apps.

alternative

Coinbase Commerce_

Hosted crypto checkout for online stores.

Enterprise data governance and catalog platform.

Amazon's digital comics store and reader, now folded into Kindle.

The proprietary composable commerce platform.

alternative

Confluence_

Atlassian's team wiki and documentation tool.

alternative

Confluent Cloud_

Fully managed Apache Kafka streaming service.

alternative

Contentful_

The enterprise managed headless CMS.

BMC's enterprise job scheduling and workload automation.

alternative

Convertio_

Online file conversion service.

Own your finances beyond Apple's walls

Ad-supported family calendar, lists, and meal planning.

Hosted cron, uptime, and job monitoring with SDKs.

alternative

Crowdin_

AI-assisted cloud localization for apps and content.

Hosted crypto trading bot and automation platform.

The AI-first code editor from Anysphere.

Enterprise privileged access and secrets management.

Managed data orchestration and asset lineage.

alternative

Dashlane_

Hosted password manager and autofill vault.

alternative

Databricks_

Managed lakehouse for analytics and data engineering.

alternative

Datadog_

Hosted monitoring, observability, and LLM tracing.

JetBrains' paid multi-engine database IDE.

Hosted dead man's switch for cron jobs and backups.

alternative

DeepL_

High-quality neural machine translation.

Collaborative, cloud-hosted data science notebooks.

alternative

Dependabot_

GitHub's built-in dependency update bot.

Commercial DCIM and IT asset discovery.

The autonomous AI software engineer from Cognition.

Personal CRM for networking, reminders, and staying in touch.

alternative

Dialogflow_

Google's hosted conversational AI platform.

alternative

Discord_

Voice, video, and text chat for communities.

alternative

Disqus_

Hosted comment platform for websites, funded by ads and tracking.

Hosted and browser-extension web page monitoring.

Enterprise SaaS LMS for corporate training.

alternative

Docker Desktop_

Docker's official desktop app and container GUI.

alternative

Docker Hub_

Docker's hosted registry for container images.

alternative

DocRaptor_

Hosted HTML-to-PDF and Excel generation API.

alternative

DocuSign_

Cloud e-signature for contracts and agreements.

alternative

DocuWare_

Cloud document management and workflow automation.

Group meeting polls — propose times, collect votes, pick a date.

alternative

Doppler_

Hosted SecretOps platform for app secrets.

alternative

Dropbox_

Cloud file storage, sync, and sharing.

alternative

Dropbox Paper_

Dropbox's collaborative document workspace.

alternative

Dynatrace_

Hosted APM and AI-powered full-stack observability.

alternative

Elastic Cloud_

Managed Elasticsearch, search, and observability hosting.

alternative

ElevenLabs_

Cloud AI voice generation billed per character.

alternative

Emby_

Closed-source media server with a paid Premiere tier.

Net worth tracking without the sales calls

alternative

Evernote_

Popular cloud app for notes, web clips, and searchable archives.

alternative

Feedly_

Cloud RSS reader and news aggregator with AI.

alternative

FigJam_

Figma's online whiteboard for team brainstorming.

alternative

Figma_

Collaborative interface design and prototyping in the browser.

Cloud managed file transfer with automation and compliance.

alternative

Firebase_

Google's app development backend platform.

alternative

Firebase Authentication_

Google's managed authentication service.

Paid inventory and manufacturing software for QuickBooks users.

Managed ELT connectors that sync data into your warehouse.

alternative

Flickr_

Photo-sharing and gallery hosting with Pro storage tiers.

alternative

Framer_

The hosted design-first site builder.

Self-host your invoicing and billing

Freshworks' cloud help desk and ticketing suite.

Cloud ITSM with built-in asset management.

Hosted CalDAV/CardDAV service for calendar and contact sync.

Hosted session replay and digital experience analytics.

AI tool that generates presentations, docs, and webpages.

alternative

GitHub_

Git hosting, pull requests, and CI/CD in the cloud.

GitHub's built-in CI/CD, billed per runner minute.

alternative

GitHub Codespaces_

Managed cloud dev environments built into GitHub.

The AI pair programmer from GitHub and Microsoft.

alternative

GitHub Packages_

GitHub's hosted package registry for npm and more.

Enterprise AI work assistant and search across your apps.

Enterprise managed file transfer with workflow automation.

Amazon's book-cataloging and reading-tracker platform.

alternative

Google Analytics_

Google's web analytics and reporting platform.

Google's TOTP two-factor authenticator app.

alternative

Google BigQuery_

Serverless cloud data warehouse billed per query.

alternative

Google Cloud Pub/Sub_

Google's fully managed, serverless messaging and streaming service.

alternative

Google Cloud Storage_

Google's managed object storage service.

alternative

Google Cloud Text-to-Speech_

Google Cloud pay-per-character speech synthesis.

Google's serverless orchestrator for chaining APIs and services.

alternative

Google Colab_

Hosted Jupyter notebooks with free and paid GPUs.

Google's cloud address book and contact sync.

alternative

Google Docs_

Google's real-time collaborative document editor.

alternative

Google Drive_

Google's cloud storage and document suite.

alternative

Google Gemini_

Google's hosted AI chat and answer assistant.

alternative

Google Keep_

Google's free app for fast sticky notes and quick capture.

alternative

Google Photos_

Cloud photo and video backup, search, and sharing.

Google's ebook and audiobook store and reading app.

alternative

Google Search_

Google's tracked, ad-supported web search.

alternative

Google Sheets_

Cloud spreadsheets for collaboration and data.

Your own private location history

alternative

Google Translate_

Cloud translation across 200+ languages.

alternative

Google Vertex AI Agent Builder_

Google Cloud's managed platform for building and deploying AI agents.

alternative

Google Vertex AI Search_

Managed search and RAG grounding on Google Cloud.

alternative

Google Workspace_

Google's cloud office, mail, and collaboration suite.

AI writing assistant for grammar, spelling, and style

Cloud payroll and benefits platform for US small businesses.

Hosted real-time collaborative Markdown editor.

Time tracking and invoicing you control

alternative

HashiCorp Vault_

Enterprise secrets, encryption, and PKI platform.

alternative

Heap_

Hosted autocapture product analytics.

alternative

Help Scout_

Proprietary shared inbox and help desk for support teams.

Managed platform for deploying and running apps.

Commercial enterprise MQTT broker and platform.

alternative

Hootsuite_

Social scheduling and analytics.

alternative

Hotjar_

Behavior analytics with heatmaps and session recordings.

alternative

HubSpot_

Popular all-in-one CRM, marketing, and sales platform.

Privacy-focused hosted comment and newsletter service with monthly plans.

Apple's cloud sync for calendars, contacts, and files.

Apple's cloud library that syncs photos across devices.

alternative

IFTTT_

Consumer automation that connects apps and devices.

alternative

iLovePDF_

Web-based PDF tools for merge, split, and convert.

Real-time image processing and delivery as a managed API.

Enterprise data integration and ETL platform.

alternative

Inoreader_

Cloud RSS reader with feed monitoring and rules.

alternative

Instagram_

Meta's photo and video sharing network with an algorithmic feed.

alternative

Instapaper_

Read-it-later app for saving and reading articles.

alternative

Intercom_

Proprietary customer messaging and AI support suite.

Build internal tools from your databases and APIs.

Self-hostable forums that replace Invision Community

alternative

JFrog Artifactory_

JFrog's commercial universal artifact repository.

alternative

Jira_

Atlassian's issue tracking and agile project management tool.

alternative

Jira Service Management_

Atlassian's ITSM and service desk platform.

Amazon's ebook store, e-reader, and reading app.

Track net worth without the annual fee

Managed data labeling and training-data platform.

alternative

LangSmith_

LangChain's hosted LLM observability and evaluation platform.

alternative

LastPass_

Hosted password manager and autofill vault.

alternative

LaunchDarkly_

Hosted feature flags and progressive delivery.

Family location sharing you control

No-code builder for AI agents that automate work.

alternative

Linear_

Streamlined issue tracking and product planning for software teams.

alternative

LlamaParse_

Hosted document parsing API for RAG.

alternative

LogRocket_

Hosted session replay and frontend monitoring.

Translation management for software and digital products.

alternative

Looker_

Google Cloud's governed BI and modeling platform.

alternative

Loom_

Hosted async screen-recording and video messaging.

Hosted AI builder for full-stack web apps.

alternative

M-Files_

Metadata-driven enterprise content management.

alternative

Mailchimp_

Email marketing, newsletters, and automation.

Hosted email and SMS test automation.

Hosted email sandbox for testing.

alternative

Make_

Visual automation for connecting apps and APIs.

Hosted general AI agent that plans and finishes tasks.

Adobe's enterprise B2B marketing automation platform.

The enterprise marketplace commerce platform.

alternative

Medium_

Publishing and blogging platform.

alternative

Microsoft 365_

Microsoft's office, email, and collaboration suite.

alternative

Microsoft 365 Copilot_

Microsoft's paid AI assistant add-on for Office apps.

alternative

Microsoft Access_

Desktop database for forms and simple apps.

alternative

Microsoft Copilot Studio_

Microsoft's low-code platform for building copilots and agents.

Grammar and style checker built into Microsoft 365

alternative

Microsoft Entra ID_

Microsoft's cloud identity and access platform.

Low-code business apps in the Microsoft stack.

alternative

Microsoft Power Automate_

Cloud workflow automation for the Microsoft 365 stack.

alternative

Microsoft Teams_

Microsoft's team chat, meetings, and collaboration hub.

Own your money after Mint's shutdown

The enterprise marketplace SaaS platform.

alternative

Miro_

Online collaborative whiteboard for visual teamwork.

alternative

Mixpanel_

Hosted product analytics with funnels and retention.

SQL-first analytics and reporting (now part of ThoughtSpot).

alternative

Monarch Money_

Net worth tracking without the subscription

Work OS with boards, automations, and dashboards.

Salesforce's enterprise API and integration platform.

Proprietary Minecraft server control panel, licensed per server.

Calorie counting, macro, and food-logging app.

Commercial cross-database GUI client.

alternative

Netlify_

Hosting and CI for static sites and web apps.

alternative

NetSuite_

Oracle's cloud ERP and business suite.

alternative

New Relic_

Hosted APM, observability, and full-stack monitoring.

alternative

NotebookLM_

Google's AI research and note-taking notebook.

alternative

Notion_

All-in-one docs, notes, and wiki workspace.

alternative

Notion AI_

Paid AI add-on for Q&A over your Notion notes.

alternative

Obsidian_

Popular local-first Markdown notes app with links and plugins.

alternative

Obsidian Sync_

Obsidian's paid add-on for syncing vaults across your devices.

alternative

Okta_

Enterprise identity and access management.

alternative

OneNote_

Microsoft's free-form notebook app for notes and clippings.

Hosted push, email, SMS, and in-app messaging.

alternative

OpenAI API_

OpenAI's pay-per-token API for GPT and related models.

alternative

OpenAI Assistants API_

OpenAI's hosted API for building stateful assistants.

alternative

OpenRouter_

Hosted unified API and marketplace for 400+ LLMs.

alternative

Optimizely_

Hosted A/B testing and experimentation.

Native recipe manager sold per platform, one-time fee.

alternative

Perplexity_

Hosted AI answer engine with cited web search.

Enterprise localization suite and translation platform.

alternative

Pinecone_

Managed serverless vector database for AI search.

alternative

Pingdom_

Hosted website, API, and uptime monitoring.

Subscription meal planner and grocery list app.

alternative

Plex_

Freemium media server with paywalled remote streaming.

alternative

Pocket_

The read-it-later app Mozilla shut down in 2025.

Quora's multi-model AI chat app and subscription.

alternative

Portkey_

Commercial AI gateway with observability and guardrails.

alternative

Postman_

Hosted API client for building, testing, and sharing APIs.

alternative

Power BI_

Microsoft's analytics and reporting suite.

Managed Python workflow orchestration.

alternative

Prismic_

The managed headless CMS and page builder.

Grammar checker and style editor for long-form writing

Managed realtime data streaming and pub/sub network.

Push links, files, and alerts across your devices.

alternative

Pusher_

Hosted APIs for realtime WebSocket messaging.

alternative

Pushover_

Simple push notifications for your devices.

alternative

Qualtrics_

Enterprise experience management and survey platform.

Invoicing and billing without subscriptions

Track money and investments without the yearly license

alternative

Quip_

Salesforce's collaborative docs and spreadsheets.

alternative

Railway_

Deploy apps, databases, and services from Git.

alternative

Raindrop.io_

Cloud bookmark manager with collections and highlights.

Hosted crash reporting and error monitoring.

Branded link management platform for teams.

Hosted subscription management and recurring billing.

Red Hat's enterprise Ansible control plane (Ansible Tower / AWX).

alternative

Red Hat OpenShift_

Red Hat's enterprise Kubernetes platform.

alternative

Reddit_

Centralized link aggregator and forum network.

Commercial database DevOps and deployment suite.

Hosted browser IDE with instant collaborative coding.

alternative

Resend_

Transactional email API for developers.

Cloud multistreaming and live studio service.

Subscription resume builder with templates and export.

Drag-and-drop builder for internal tools.

alternative

Rocket Money_

Track subscriptions without linking your bank

alternative

Rollbar_

Hosted real-time error monitoring.

alternative

RSS.app_

Hosted RSS feed generator for websites and social media.

alternative

Salesforce_

The dominant cloud CRM for sales, service, and marketing.

Salesforce's platform for building and deploying autonomous AI agents.

alternative

Salesforce Commerce Cloud_

The enterprise SaaS commerce cloud.

alternative

Sanity_

The managed structured-content platform.

alternative

SAP Business One_

SAP's ERP suite for small and mid-sized businesses.

Managed data labeling with a human workforce.

Hosted web scraping API with proxy rotation.

alternative

Sentry_

Hosted error tracking and performance monitoring.

Enterprise ITSM and IT operations automation.

alternative

SharePoint_

Microsoft's enterprise document management and intranet platform.

Portfolio and dividend tracking without the tiered plan

The hosted no-code marketplace builder.

The paid Next.js SaaS boilerplate

alternative

Shopify_

The hosted SaaS commerce platform.

alternative

Sitecore_

The enterprise .NET digital experience platform.

Mac design app for UI, icons, and design systems.

alternative

Slack_

Salesforce's team messaging and collaboration app.

Spreadsheet-style work and project management.

alternative

Snowflake_

Cloud data warehouse with usage-based compute billing.

alternative

Snyk_

Developer security for dependencies, containers, and code.

Licensed enterprise IP address management.

Visual inventory tracking with a subscription.

Managed CI/CD for Terraform, OpenTofu, and Ansible.

alternative

Split_

Enterprise feature flags and experimentation.

alternative

Splunk_

Enterprise log search, SIEM, and observability.

alternative

Spotify_

Subscription music streaming with a licensed catalog and ads on free.

Payments orchestration and card vault.

alternative

Squarespace_

The all-in-one hosted website platform.

alternative

Stack Overflow for Teams_

Stack Overflow's private Q&A knowledge base for companies.

Simple managed data pipelines built on Singer.

alternative

Storyblok_

The visual-editing headless CMS.

alternative

Stripe_

Hosted payments and billing for developers.

alternative

Stripe Billing_

Hosted subscription and usage-based billing.

alternative

Substack_

Newsletters with paid subscriptions.

Cloud-native log analytics and observability.

alternative

Tableau_

Drag-and-drop analytics and dashboards.

Paid native database GUI for many engines.

Commercial multi-game server control panel, sold per license.

JetBrains' CI/CD server, licensed per build agent.

HashiCorp's managed Terraform runs, state, and policy.

Meta's centralized microblogging app

Cloud-connected 64×32 LED-matrix smart display.

Distributed graph database for deep analytics

alternative

Todoist_

The popular freemium to-do and task management app.

Self-host your time tracking

Hosted charting and strategy automation platform.

alternative

Transifex_

Cloud localization for software and digital content.

Hosted CI service billed on a concurrency-based subscription.

alternative

Trello_

Atlassian's kanban board app for organizing tasks.

The centralized microblogging and blogging network

alternative

Twilio_

Cloud APIs for SMS, voice, and messaging.

alternative

Twitch_

Amazon's live streaming and chat platform.

The centralized microblogging network

alternative

Typeform_

Conversational forms and surveys, one question at a time.

Enterprise RPA platform for automating repetitive work.

alternative

UptimeRobot_

Hosted uptime monitoring and status pages.

alternative

UserVoice_

Proprietary product feedback and feature-request suite.

Vercel's hosted AI UI and app generator.

AI-powered image and video annotation platform.

Self-hosted forums that replace Vanilla's cloud

Open source forums that replace vBulletin

alternative

Vercel_

Frontend cloud for deploying web apps from Git.

Hosted business video messaging and hosting.

alternative

Vimeo Livestream_

Vimeo's paid live streaming and events service.

Hosted website change monitoring and alerts.

alternative

Vonage_

Cloud APIs for voice, video, and messaging.

Free invoicing and accounting you control

alternative

Webflow_

The hosted visual website builder.

Proprietary MLOps and LLM evaluation platform (Weave).

alternative

WeTransfer_

Send large files by a shareable download link.

Group availability polls for finding a shared meeting time.

alternative

Wix_

The hosted website and store builder.

Enterprise iPaaS for integration and automation.

Enterprise cloud suite for HR and finance, priced for large organizations.

Enterprise SSO and directory sync as an API

Double-entry accounting without per-month seats

alternative

YNAB_

Envelope budgeting without the subscription

alternative

Zamzar_

Online file conversion service and API.

alternative

Zapier_

Hosted automation for connecting apps.

alternative

Zendesk_

Proprietary customer service and help desk suite.

Online resume and cover-letter builder with paid templates.

Cloud inventory and order management by Zoho.

Enterprise subscription and usage billing.