Find Open Source Alternatives

Grafana

Open source observability platform for metrics, logs, and traces

Excalidraw

Virtual whiteboard for sketching hand-drawn diagrams and wireframes

Supabase

Open source Firebase alternative with Postgres, auth, and edge functions

Cal.com

Open source scheduling infrastructure — the Calendly alternative for individuals and teams

Mattermost

Secure, self-hosted team messaging platform as an alternative to Slack

Appwrite

Open source BaaS — Firebase alternative with auth, database, storage

Meilisearch

Lightning-fast open source search engine — Algolia alternative

n8n

Fair-code workflow automation with 400+ integrations

Vaultwarden

Lightweight Bitwarden-compatible server in Rust

Discourse

Open source community discussion platform

PocketBase

Open source backend in a single binary — Firebase alternative

Syncthing

Continuous peer-to-peer file synchronization

Apache Superset

Modern data exploration and visualization platform

Uptime Kuma

Self-hosted monitoring tool with status pages and notifications

NocoDB

Open source Airtable alternative — turns any database into a smart spreadsheet

Nextcloud

Self-hosted productivity platform with file storage, sharing, collaboration, and more

Plausible Analytics

Lightweight and privacy-friendly web analytics — no cookies, fully GDPR compliant

Outline

Beautiful wiki and knowledge base for teams

Bitwarden

Open source password manager with browser extensions and team vaults

Keycloak

Open source identity and access management — Auth0 alternative

Coolify

Open source Heroku/Vercel alternative — self-hosted PaaS

Hoppscotch

Open source API development ecosystem — Postman alternative

Medusa

Open source headless commerce engine — Shopify alternative

Metabase

Open source business intelligence with SQL and no-code query builder

Dub

Open source link management — Bitly alternative

Twenty CRM

Modern open source CRM — a beautiful alternative to Salesforce and HubSpot

Umami

Simple, fast, privacy-focused web analytics

BookStack

Simple, self-hosted wiki platform organized by books, chapters, and pages

Bruno

Fast, Git-friendly API client — Postman alternative

Dokku

The smallest PaaS — Heroku alternative with git push deployment

Plane

Open source project management for teams

AppFlowy

Open source alternative to Notion — AI-powered workspace for wikis, docs, and projects

Jitsi Meet

Open source video conferencing solution that is secure and easy to deploy

Continue

Open source AI code assistant for VS Code and JetBrains

Authentik

Open source identity provider with modern UI and flows

Chatwoot

Open source customer engagement platform — alternative to Intercom for live chat and support

Listmonk

High-performance, self-hosted newsletter and mailing list manager

Infisical

Open source secrets management platform

Penpot

Open source design and prototyping platform for cross-domain teams

Saleor

Open source headless commerce platform with GraphQL API

Wiki.js

Powerful open source wiki engine with visual editor and Git sync

Rocket.Chat

Open source team communication platform

Tabby

Self-hosted AI coding assistant with local models

Typesense

Fast, typo-tolerant search engine — Algolia alternative

Documenso

Open source DocuSign alternative

Formbricks

Open source survey platform — Typeform alternative

Baserow

Open source no-code database — Airtable alternative

Trigger.dev

Open source background jobs framework for TypeScript

Highlight.io

Open source full-stack monitoring — error tracking, session replay, logging

OpenStatus

Open source monitoring and status page platform

Lago

Open source metering and usage-based billing

Docmost

Open source collaborative wiki and documentation software — Notion and Confluence alternative

Focalboard

Open source project management tool with kanban, table, and calendar views