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All TasksTop 37 Alternative OpenSource for DEVELOPMENT in 2025

n8n
Development & ITFree and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.
zed
Development & ITCode at the speed of thought β Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

Strapi
Development & ITStrapi is the leading open-source headless CMS. Itβs 100% JavaScript/TypeScript, fully customizable and developer-first.


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

dokku
Development & ITA docker-powered PaaS that helps you build and manage the lifecycle of applications

Next-js-Boilerplate
Development & ITπππ Boilerplate and Starter for Next.js 14+ with App Router and Page Router support, Tailwind CSS 3.4 and TypeScript

ToolJet
Build it yourselfLow-code platform for building business applications. Connect to databases, cloud storages, GraphQL, API etc and build apps using drag and drop application builder.
dyrectorio
Build it yourselfdyrector.io is a self-hosted continuous delivery & deployment platform with version management.
FreeCAD
Development & ITThis is the official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.
gitea
Development & ITGit with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD
insomnia
Development & ITThe open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
lbry-sdk
Development & ITThe LBRY SDK for building decentralized, censorship resistant, monetized, digital content apps.
mattermost
Remote collaborationMattermost is an open source platform for secure collaboration across the entire software development lifecycle..
labrinth
Development & ITOur Rust-based backend utilizing the actix-web framework to serve Modrinth's API.
Pixelorama
Content marketingUnleash your creativity with Pixelorama, a powerful and accessible open-source pixel art multitool
phpbb
Development & ITphpBB Development - phpBB is a popular open-source bulletin board written in PHP. This repository also contains the history of version 2.
refine
Development & ITA React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.
Silex
Web buildersSilex live web creation, free libre no-code website builder, next gen Webflow for the static web
st2
Development & ITEvent-driven automation for auto-remediation, incident responses, troubleshooting, deployments, and more for DevOps and SREs.