Top 138 Alternative OpenSource in Development It 2025

Supabase
Supabase is an open source Firebase alternative.

Supabase

Development tools

Supabase is an open source Firebase alternative.

3.9M
visit
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inkscape
Draw freely. ๐Ÿ–Œ

inkscape

Development & IT

Draw freely. ๐Ÿ–Œ

1.2M
visit
stars
n8n
Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.

n8n

Development & IT

Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.

763.4K
visit
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zed
Code at the speed of thought โ€“ Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

zed

Development & IT

Code at the speed of thought โ€“ Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

706.5K
visit
stars
Strapi
Strapi is the leading open-source headless CMS. Itโ€™s 100% JavaScript/TypeScript, fully customizable and developer-first.

Strapi

Development & IT

Strapi is the leading open-source headless CMS. Itโ€™s 100% JavaScript/TypeScript, fully customizable and developer-first.

676.0K
visit
stars
node-red
Low-code programming for event-driven applications

node-red

Development & IT

Low-code programming for event-driven applications

529.2K
visit
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pipedream
Connect APIs, remarkably fast. Free for developers.

pipedream

Development & IT

Connect APIs, remarkably fast. Free for developers.

435.3K
visit
stars
Appwrite
Your backend, minus the hassle.

Appwrite

Development tools

Your backend, minus the hassle.

415.4K
visit
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Timescaledb
An open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.

Timescaledb

Development & IT

An open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.

334.5K
visit
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Coolify
Self-hosting with superpowers. An open-source & self-hostable Heroku / Netlify / Vercel alternative.

Coolify

Build it yourself

Self-hosting with superpowers. An open-source & self-hostable Heroku / Netlify / Vercel alternative.

315.7K
visit
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Appsmith
Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

Appsmith

Development & IT

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

314.7K
visit
stars
temporal
Temporal is a durable execution platform that enables developers to build scalable applications without sacrificing productivity or reliability.

temporal

Development & IT

Temporal is a durable execution platform that enables developers to build scalable applications without sacrificing productivity or reliability.

267.2K
visit
stars
prefect
Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

prefect

Development & IT

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

261.3K
visit
stars
payload
Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers.

payload

Development & IT

Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers.

224.8K
visit
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Fathom Lite
Fathom Lite. Simple, privacy-focused website analytics. Built with Golang & Preact.

Fathom Lite

Website analytics

Fathom Lite. Simple, privacy-focused website analytics. Built with Golang & Preact.

198.6K
visit
stars
hoppscotch
Open source API development ecosystem - https - //hoppscotch.io (open-source alternative to Postman, Insomnia)

hoppscotch

Development & IT

Open source API development ecosystem - https - //hoppscotch.io (open-source alternative to Postman, Insomnia)

197.4K
visit
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directus
The Modern Data Stack ๐Ÿฐ โ€” Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.

directus

Development & IT

The Modern Data Stack ๐Ÿฐ โ€” Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.

193.6K
visit
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NetData
The open-source observability, monitoring and troubleshooting platform everyone needs

NetData

Development tools

The open-source observability, monitoring and troubleshooting platform everyone needs

163.9K
visit
OpenSource
plane
Open Source JIRA, Linear, Monday, and Asana Alternative. Plane helps you track your issues, epics, and product roadmaps in the simplest way possible.

plane

Project management

Open Source JIRA, Linear, Monday, and Asana Alternative. Plane helps you track your issues, epics, and product roadmaps in the simplest way possible.

160.9K
visit
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Pocketbase
Open Source backend for your next SaaS and Mobile app in 1 file

Pocketbase

Development tools

Open Source backend for your next SaaS and Mobile app in 1 file

145.9K
visit
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baserow
Baserow is an open source no-code database tool and Airtable alternative.

baserow

Development & IT

Baserow is an open source no-code database tool and Airtable alternative.

145.3K
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convex.dev
Convex | The fullstack TypeScript development platform

convex.dev

Development & IT

Convex | The fullstack TypeScript development platform

144.6K
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automa
A browser extension for automating your browser by connecting blocks

automa

Development & IT

A browser extension for automating your browser by connecting blocks

140.1K
visit
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activepieces
Your friendliest open source all-in-one automation tool

activepieces

Development & IT

Your friendliest open source all-in-one automation tool

139.8K
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stars
LibreTube
An alternative frontend for YouTube, for Android.

LibreTube

Frontend

An alternative frontend for YouTube, for Android.

129.0K
visit
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hydra
OpenID Certifiedโ„ข OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure.

hydra

Security

OpenID Certifiedโ„ข OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure.

108.4K
visit
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NocoDB
Open Source Alternative to Airtable

NocoDB

Development tools

Open Source Alternative to Airtable

99.4K
visit
stars
Free
SuperTokens
Open source alternative to Auth0 / Firebase Auth / AWS Cognito

SuperTokens

Development & IT

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

90.4K
visit
stars
Authentik
The authentication glue you need.

Authentik

Security

The authentication glue you need.

90.3K
visit
stars
OpenSaas
The free SaaS template with superpowers

OpenSaas

Frontend

The free SaaS template with superpowers

89.5K
visit
stars
t3stack
The best way to start a full-stack, typesafe Next.js app

t3stack

Frontend

The best way to start a full-stack, typesafe Next.js app

89.1K
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stars
reflex
๐Ÿ•ธ๏ธ Web apps in pure Python ๐Ÿ

reflex

Web builders

๐Ÿ•ธ๏ธ Web apps in pure Python ๐Ÿ

88.6K
visit
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NocoBase
NocoBase is a scalability-first, open-source no-code/low-code platform for building business applications and enterprise solutions.

NocoBase

Build it yourself

NocoBase is a scalability-first, open-source no-code/low-code platform for building business applications and enterprise solutions.

85.5K
visit
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tinacms
A fully open-source headless CMS that supports Markdown and Visual Editing

tinacms

Content marketing

A fully open-source headless CMS that supports Markdown and Visual Editing

69.0K
visit
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authelia
The Single Sign-On Multi-Factor portal for web apps

authelia

Security

The Single Sign-On Multi-Factor portal for web apps

65.5K
visit
stars
wasp
The fastest way to develop full-stack web apps with React & Node.js.

wasp

Development & IT

The fastest way to develop full-stack web apps with React & Node.js.

55.0K
visit
stars
Zettlr
Your One-Stop Publication Workbench

Zettlr

Productivity

Your One-Stop Publication Workbench

54.8K
visit
stars
logto
๐Ÿง‘โ€๐Ÿš€ The better identity infrastructure for developers and the open-source alternative to Auth0.

logto

Development & IT

๐Ÿง‘โ€๐Ÿš€ The better identity infrastructure for developers and the open-source alternative to Auth0.

46.7K
visit
stars
dokku
A docker-powered PaaS that helps you build and manage the lifecycle of applications

dokku

Development & IT

A docker-powered PaaS that helps you build and manage the lifecycle of applications

39.4K
visit
stars
netmaker
Netmaker makes networks with WireGuard. Netmaker automates fast, secure, and distributed virtual networks.

netmaker

Cloud services & hosting

Netmaker makes networks with WireGuard. Netmaker automates fast, secure, and distributed virtual networks.

31.8K
visit
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