Best Free Developer Tools Tools (21 Picks)
Developer tools for Git repository management, API testing, secret management, and data labeling. Self-hosted alternatives to GitHub and Postman for managing source code and credentials on your own infrastructure.
21 tools
dify
Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.
Stirling-PDF
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
uptime-kuma
A fancy self-hosted monitoring tool
hoppscotch
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
vaultwarden
Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs
meilisearch
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
gitea
Git 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
bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
keycloak
Open Source Identity and Access Management For Modern Applications and Services
refine
A React Framework for building internal tools, admin panels, dashboards & B2B apps with unmatched flexibility.
harbor
An open source trusted cloud native registry project that stores, signs, and scans content.
infisical
Infisical is the open-source platform for secrets, certificates, and privileged access management.
keepassxc
KeePassXC is a cross-platform community-driven port of the Windows application “KeePass Password Safe”.
typesense
Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences
authentik
The authentication glue you need.
gitlabhq
GitLab CE Mirror | Please open new issues in our issue tracker on GitLab.com
documenso
The Open Source DocuSign Alternative.
crowdsec
CrowdSec - the open-source and participative security solution offering crowdsourced protection against malicious IPs and access to the most advanced real-world CTI.
coder
Secure environments for developers and their agents
clients
Bitwarden client apps (web, browser extension, desktop, and cli).
passbolt_api
Passbolt Community Edition (CE) API. The JSON API for the open source password manager for teams!