Discover the Best Open Source Repositories

Meilisearch

Meilisearch is a Rust-based, open source search engine with typo-tolerant full-text and hybrid search returning results under 50ms.

Alternative to:

Algolia

Stars58.8K

Forks2.6K

Last commit12 hours ago

Appwrite

Appwrite is an open source backend platform providing authentication, databases, storage, functions, messaging, and hosting behind a single API.

Alternative to:

AWS Amplify

Stars56.7K

Forks5.6K

Last commit11 hours ago

Joplin

Joplin is an open source, offline-first note-taking app with Markdown notes, end-to-end encrypted sync, and Evernote import.

Alternative to:

Evernote

Stars55.8K

Forks6.2K

Last commit3 hours ago

Penpot

Penpot is an open source, self-hostable design and prototyping platform built on open web standards like SVG and CSS.

Alternative to:

Figma

Stars57.6K

Forks3.8K

Last commit7 hours ago

Flowise

Flowise is a drag-and-drop builder for LLM chains and AI agents, with LangChain-based nodes for chatbots, RAG, and multi-agent workflows.

Stars55K

Forks24.8K

Last commit1 day ago

Ghost

Ghost is an open source, headless Node.js CMS for professional publishing, blogging, and newsletters, self-hosted or managed.

Alternative to:

Medium

Stars54.6K

Forks11.8K

Last commit2 hours ago

Plane

Plane is an open-source project management tool for issues, sprints (cycles), and product roadmaps.

Alternative to:

Jira

Stars55.2K

Forks5.1K

Last commit13 hours ago

Twenty

Open-source CRM built on TypeScript, NestJS, and PostgreSQL, with a GraphQL API and workflow automation.

Alternative to:

Salesforce

Stars53.8K

Forks8.2K

Last commit2 hours ago

Huginn

Huginn is a self-hosted Ruby system for building agents that watch feeds, scrape sites, and trigger automated actions on your data.

Alternative to:

IFTTT

Stars49.7K

Forks4.3K

Last commit2 hours ago

tldraw

tldraw is a React SDK for building infinite canvas apps, offering drawing, diagramming, and self-hostable multiplayer collaboration primitives.

Alternative to:

Miro

Stars49.4K

Forks3.4K

Last commit4 hours ago

Cal.com

Open source scheduling and booking platform, a self-hostable Calendly alternative with team scheduling, workflows, and a full API.

Alternative to:

Calendly

Stars47K

Forks14.6K

Last commit7 days ago

Sentry

Sentry is an open source platform for error tracking, performance tracing, session replay, and log management.

Alternative to:

Bugsnag

Stars44.4K

Forks4.8K

Last commit4 hours ago

Payload

Payload is a Next.js native headless CMS that installs into an existing /app folder, with TypeScript, REST, GraphQL, and local APIs.

Alternative to:

Contentful

Stars43.9K

Forks4K

Last commit4 hours ago

Jan

Jan is an open source, local-first ChatGPT alternative that runs LLMs on your own device with full privacy.

Alternative to:

ChatGPT

Stars43.8K

Forks2.9K

Last commit1 hour ago

LibreChat

LibreChat is a self-hosted AI chat platform that unifies OpenAI, Anthropic, Google, and other providers in one UI.

Alternative to:

ChatGPT

Stars41.4K

Forks8.5K

Last commit2 hours ago

Appsmith

Low-code platform for building admin panels, dashboards, and internal tools on top of your own data sources.

Alternative to:

Retool

Stars40.5K

Forks4.7K

Last commit7 hours ago

PhotoPrism

PhotoPrism is a self-hosted, AI-powered app for browsing, organizing, and sharing photos and videos with automatic tagging.

Alternative to:

Google Photos

Stars40K

Forks2.3K

Last commit3 hours ago

Novu

Novu is an open source communication API that sends notifications across inbox, email, SMS, push, and chat, and connects agents to messaging channels.

Alternative to:

Courier

Stars39.4K

Forks4.4K

Last commit9 hours ago

ToolJet

ToolJet is an open source, low-code platform for building and deploying internal tools, admin panels, and dashboards.

Alternative to:

Retool

Stars38.3K

Forks5.2K

Last commit3 hours ago

Umami

Umami is a self-hosted, privacy-focused website analytics platform and open source alternative to Google Analytics.

Alternative to:

Amplitude

Stars37.9K

Forks7.7K

Last commit4 hours ago

Directus

Directus wraps any SQL database with instant REST and GraphQL APIs, a visual admin Studio, and a native MCP server for AI agents.

Alternative to:

Contentful

Stars36.9K

Forks4.9K

Last commit5 hours ago

Keycloak

Keycloak is an open source identity and access management platform with SSO, OIDC, SAML, and user federation.

Alternative to:

Auth0

Stars35.9K

Forks8.7K

Last commit2 hours ago

PostHog

PostHog is an all-in-one platform for product analytics, session replays, feature flags, and experiments.

Alternative to:

Amplitude

Stars37.4K

Forks3.1K

Last commit1 hour ago

Refine

Headless React framework for building CRUD-heavy admin panels and dashboards with built-in auth and data providers.

Alternative to:

Retool

Stars35.4K

Forks3.2K

Last commit2 months ago

Medusa

Medusa is an open source commerce platform with a customizable framework and modules for building online stores and marketplaces.

Alternative to:

Shopify

Stars35.4K

Forks5K

Last commit12 hours ago

Chatwoot

Chatwoot is a self-hosted customer support platform with an omnichannel inbox, help center, and AI agent, built as an alternative to Intercom and Zendesk.

Alternative to:

Intercom

Stars34.8K

Forks8.4K

Last commit2 hours ago

Jitsi Meet

Jitsi Meet is an open source video conferencing platform with browser-based calls, mobile apps, and self-hosted deployment options.

Alternative to:

Google Meet

Stars29.7K

Forks8K

Last commit9 hours ago

SigNoz

SigNoz is an open source, OpenTelemetry-native observability platform combining metrics, logs, traces, and alerts.

Alternative to:

Datadog

Stars31.7K

Forks2.4K

Last commit4 hours ago

Redash

Redash lets teams query 35+ SQL and NoSQL sources, build drag-and-drop visualizations, and share dashboards with scheduled refreshes.

Alternative to:

Looker

Stars28.7K

Forks4.6K

Last commit2 days ago

Wiki.js

Wiki.js is a self-hosted wiki app built on Node.js with Markdown editing, access control, and Git-backed storage.

Alternative to:

Confluence

Stars28.7K

Forks3.3K

Last commit2 hours ago

Budibase

Budibase is an open-source platform for building internal tools, AI agents, and business automations.

Alternative to:

Retool

Stars28.2K

Forks2.2K

Last commit6 hours ago

Infisical

Open-source secrets management platform for syncing secrets, certificates, and privileged access across teams.

Alternative to:

Doppler

Stars28.4K

Forks2.2K

Last commit3 hours ago

Plausible

Plausible Analytics is an open source, privacy-first web analytics tool built as a lightweight, cookie-free Google Analytics alternative.

Alternative to:

Google Analytics

Stars28.1K

Forks1.7K

Last commit12 hours ago

Actual

Actual is a local-first personal finance and budgeting app with cross-device sync, self-hostable via Docker or downloadable desktop apps.

Alternative to:

YNAB

Stars27.8K

Forks2.8K

Last commit1 day ago

Typesense

Typesense is an open source, typo-tolerant search engine built in C++ for fast, sub-50ms full-text, vector, and hybrid search.

Alternative to:

Algolia

Stars26.4K

Forks960

Last commit2 days ago

Meilisearch

Meilisearch is a Rust-based, open source search engine with typo-tolerant full-text and hybrid search returning results under 50ms.

Alternative to:

Algolia

Stars58.8K

Forks2.6K

Last commit12 hours ago

Appwrite

Appwrite is an open source backend platform providing authentication, databases, storage, functions, messaging, and hosting behind a single API.

Alternative to:

AWS Amplify

Stars56.7K

Forks5.6K

Last commit11 hours ago

Joplin

Joplin is an open source, offline-first note-taking app with Markdown notes, end-to-end encrypted sync, and Evernote import.

Alternative to:

Evernote

Stars55.8K

Forks6.2K

Last commit3 hours ago

Penpot

Penpot is an open source, self-hostable design and prototyping platform built on open web standards like SVG and CSS.

Alternative to:

Figma

Stars57.6K

Forks3.8K

Last commit7 hours ago

Flowise

Flowise is a drag-and-drop builder for LLM chains and AI agents, with LangChain-based nodes for chatbots, RAG, and multi-agent workflows.

Stars55K

Forks24.8K

Last commit1 day ago

Ghost

Ghost is an open source, headless Node.js CMS for professional publishing, blogging, and newsletters, self-hosted or managed.

Alternative to:

Medium

Stars54.6K

Forks11.8K

Last commit2 hours ago

Plane

Plane is an open-source project management tool for issues, sprints (cycles), and product roadmaps.

Alternative to:

Jira

Stars55.2K

Forks5.1K

Last commit13 hours ago

Twenty

Open-source CRM built on TypeScript, NestJS, and PostgreSQL, with a GraphQL API and workflow automation.

Alternative to:

Salesforce

Stars53.8K

Forks8.2K

Last commit2 hours ago

Huginn

Huginn is a self-hosted Ruby system for building agents that watch feeds, scrape sites, and trigger automated actions on your data.

Alternative to:

IFTTT

Stars49.7K

Forks4.3K

Last commit2 hours ago

tldraw

tldraw is a React SDK for building infinite canvas apps, offering drawing, diagramming, and self-hostable multiplayer collaboration primitives.

Alternative to:

Miro

Stars49.4K

Forks3.4K

Last commit4 hours ago

Cal.com

Open source scheduling and booking platform, a self-hostable Calendly alternative with team scheduling, workflows, and a full API.

Alternative to:

Calendly

Stars47K

Forks14.6K

Last commit7 days ago

Sentry

Sentry is an open source platform for error tracking, performance tracing, session replay, and log management.

Alternative to:

Bugsnag

Stars44.4K

Forks4.8K

Last commit4 hours ago

Payload

Payload is a Next.js native headless CMS that installs into an existing /app folder, with TypeScript, REST, GraphQL, and local APIs.

Alternative to:

Contentful

Stars43.9K

Forks4K

Last commit4 hours ago

Jan

Jan is an open source, local-first ChatGPT alternative that runs LLMs on your own device with full privacy.

Alternative to:

ChatGPT

Stars43.8K

Forks2.9K

Last commit1 hour ago

LibreChat

LibreChat is a self-hosted AI chat platform that unifies OpenAI, Anthropic, Google, and other providers in one UI.

Alternative to:

ChatGPT

Stars41.4K

Forks8.5K

Last commit2 hours ago

Appsmith

Low-code platform for building admin panels, dashboards, and internal tools on top of your own data sources.

Alternative to:

Retool

Stars40.5K

Forks4.7K

Last commit7 hours ago

PhotoPrism

PhotoPrism is a self-hosted, AI-powered app for browsing, organizing, and sharing photos and videos with automatic tagging.

Alternative to:

Google Photos

Stars40K

Forks2.3K

Last commit3 hours ago

Novu

Novu is an open source communication API that sends notifications across inbox, email, SMS, push, and chat, and connects agents to messaging channels.

Alternative to:

Courier

Stars39.4K

Forks4.4K

Last commit9 hours ago

ToolJet

ToolJet is an open source, low-code platform for building and deploying internal tools, admin panels, and dashboards.

Alternative to:

Retool

Stars38.3K

Forks5.2K

Last commit3 hours ago

Umami

Umami is a self-hosted, privacy-focused website analytics platform and open source alternative to Google Analytics.

Alternative to:

Amplitude

Stars37.9K

Forks7.7K

Last commit4 hours ago

Directus

Directus wraps any SQL database with instant REST and GraphQL APIs, a visual admin Studio, and a native MCP server for AI agents.

Alternative to:

Contentful

Stars36.9K

Forks4.9K

Last commit5 hours ago

Keycloak

Keycloak is an open source identity and access management platform with SSO, OIDC, SAML, and user federation.

Alternative to:

Auth0

Stars35.9K

Forks8.7K

Last commit2 hours ago

PostHog

PostHog is an all-in-one platform for product analytics, session replays, feature flags, and experiments.

Alternative to:

Amplitude

Stars37.4K

Forks3.1K

Last commit1 hour ago

Refine

Headless React framework for building CRUD-heavy admin panels and dashboards with built-in auth and data providers.

Alternative to:

Retool

Stars35.4K

Forks3.2K

Last commit2 months ago

Medusa

Medusa is an open source commerce platform with a customizable framework and modules for building online stores and marketplaces.

Alternative to:

Shopify

Stars35.4K

Forks5K

Last commit12 hours ago

Chatwoot

Chatwoot is a self-hosted customer support platform with an omnichannel inbox, help center, and AI agent, built as an alternative to Intercom and Zendesk.

Alternative to:

Intercom

Stars34.8K

Forks8.4K

Last commit2 hours ago

Jitsi Meet

Jitsi Meet is an open source video conferencing platform with browser-based calls, mobile apps, and self-hosted deployment options.

Alternative to:

Google Meet

Stars29.7K

Forks8K

Last commit9 hours ago

SigNoz

SigNoz is an open source, OpenTelemetry-native observability platform combining metrics, logs, traces, and alerts.

Alternative to:

Datadog

Stars31.7K

Forks2.4K

Last commit4 hours ago

Redash

Redash lets teams query 35+ SQL and NoSQL sources, build drag-and-drop visualizations, and share dashboards with scheduled refreshes.

Alternative to:

Looker

Stars28.7K

Forks4.6K

Last commit2 days ago

Wiki.js

Wiki.js is a self-hosted wiki app built on Node.js with Markdown editing, access control, and Git-backed storage.

Alternative to:

Confluence

Stars28.7K

Forks3.3K

Last commit2 hours ago

Budibase

Budibase is an open-source platform for building internal tools, AI agents, and business automations.

Alternative to:

Retool

Stars28.2K

Forks2.2K

Last commit6 hours ago

Infisical

Open-source secrets management platform for syncing secrets, certificates, and privileged access across teams.

Alternative to:

Doppler

Stars28.4K

Forks2.2K

Last commit3 hours ago

Plausible

Plausible Analytics is an open source, privacy-first web analytics tool built as a lightweight, cookie-free Google Analytics alternative.

Alternative to:

Google Analytics

Stars28.1K

Forks1.7K

Last commit12 hours ago

Actual

Actual is a local-first personal finance and budgeting app with cross-device sync, self-hostable via Docker or downloadable desktop apps.

Alternative to:

YNAB

Stars27.8K

Forks2.8K

Last commit1 day ago

Typesense

Typesense is an open source, typo-tolerant search engine built in C++ for fast, sub-50ms full-text, vector, and hybrid search.

Alternative to:

Algolia

Stars26.4K

Forks960

Last commit2 days ago

Discover the Best Open Source Repositories

A curated directory of the best GitHub repositories, ranked by stars and organized by category. Find your next open-source tool, framework, or library.