Best Free Developer Tools & Git for self-hosting

Excalidraw

Developer Tools & Git

Virtual hand-drawn style whiteboard

Replaces Miro

Simple terminal UI for Git commands

Replaces GitKraken, Sourcetree

Full fake REST API from a JSON file in seconds

Replaces Mockoon, Postman Mock

Penpot

Developer Tools & Git

Open-source design and prototyping platform

Replaces Figma

Explore and analyze Docker image layers

Replaces Docker Desktop

Full windows vm in your browser

Terminal UI for Docker and Docker Compose

Replaces Docker Desktop

Fast, Git-friendly open-source API client

Replaces Postman, Insomnia

Turn Python scripts into shareable data apps

Replaces Retool, Tableau

Powerful error tracking platform with wide language support

Replaces Sentry Cloud, Bugsnag

Build and share machine learning web interfaces fast

Replaces Retool

IT-Tools

Developer Tools & Git

Handy online tools for developers

Replaces CyberChef

AI layer for existing databases that allows you to effortlessly

Comprehensive security scanner for containers and code

Replaces Snyk, Aqua

Handy command runner for project-specific recipes

Replaces Make

CyberChef

Developer Tools & Git

The cyber Swiss Army knife for data operations

Replaces IT-Tools

React framework for building internal tools and admin panels

Replaces Retool

Polyglot runtime manager and task runner

Replaces asdf, nvm

Terminal UI for managing Kubernetes clusters

Replaces Lens, kubectl

Syntax-highlighting pager for git and diff output

Replaces diff-so-fancy

SigNoz

Developer Tools & Git

Open-source APM and observability platform

Replaces Datadog, New Relic

Fast, instant realtime GraphQL APIs on Postgres with fine grained

Git-compatible version control system

Replaces Git

Atuin

Developer Tools & Git

Sync, search and back up your shell history

Replaces Warp Cloud

Integration platform for AI agents & LLMs with support for 250+ apps

OpenTofu

Developer Tools & Git

Open-source infrastructure as code tool

Replaces Terraform

Detect secrets and credentials in Git repositories

Replaces GitGuardian

Interactive documentation for OpenAPI specifications

Replaces Postman

Build full-stack web apps in pure Python

Replaces Streamlit, Retool

MongoDB

Developer Tools & Git

MongoDB is an open-source NoSQL database

Find and verify leaked credentials across many sources

Replaces GitGuardian

Structural diff tool that understands syntax

Replaces diff

Generate clean API documentation from OpenAPI definitions

Replaces Stoplight, ReadMe

Infrastructure as code using general-purpose languages

Replaces Terraform, AWS CloudFormation

Extendable version manager for multiple languages

Replaces nvm, rbenv

Automated versioning and package publishing

Replaces release-please

Reactive Python notebook that runs as a web app

Replaces Jupyter, Streamlit

Database diagrams editor that allows you to visualize and design

Replaces dbdiagram.io

Automated dependency updates for many ecosystems

Replaces Dependabot

Evaluate, test, and ship LLM applications with a suite

Replaces LangSmith

OpenObserve

Developer Tools & Git

Open-source observability platform for logs, metrics and traces

Replaces Datadog, Elasticsearch

Fast switching between Kubernetes contexts and namespaces

Replaces kubectl config

Offline-first API client for REST, GraphQL and gRPC

Replaces Postman, Insomnia

Run and test HTTP requests with a plain text format

Replaces Postman, Insomnia

Unified backend framework for APIs, jobs and AI agents

Replaces Temporal, Inngest

Declarative full-stack web framework for React and Node

Replaces Firebase

Generate API tests and mocks from real traffic

Replaces Postman

Top-like interface for container metrics

Replaces Docker Desktop

Fast, customizable static analysis for many languages

Replaces SonarQube, Snyk Code

Python UI framework for web-based dashboards and apps

Replaces Streamlit, Gradio

Modern OpenAPI documentation and API reference

Replaces Stoplight, ReadMe

Task runner and build tool simpler than Make

Replaces Make

Release automation for Go and other projects

Replaces semantic-release

Code generation platform for production-ready backends

Replaces Retool, Hasura

Continuous development for Kubernetes applications

Replaces Tilt, Garden

Framework for managing Git pre-commit hooks

Replaces Husky

Graph-relational database with a modern query language

Replaces Firebase, Supabase

Vulnerability scanner for container images and filesystems

Replaces Snyk, Trivy

Komodo

Developer Tools & Git

Build and deployment system for managing servers

Replaces Portainer

Open-source reactive backend with a TypeScript database

Replaces Firebase

Cloud cost estimates for Terraform in pull requests

Replaces CloudHealth

Netboot.xyz

Developer Tools & Git

Your favorite operating systems in one place

Powerful HTTP client that lives in your terminal

Replaces Postman, Insomnia

Backend framework with built-in infrastructure for Go and TS

Replaces AWS Amplify

Portable, isolated development environments with Nix

Replaces Docker Dev Environments

Suite of web apps to build software faster

Replaces GitHub, Jira

API traffic analyzer for Kubernetes

Replaces Wireshark

Open-source Kubernetes security platform

Replaces Prisma Cloud

Datasette

Developer Tools & Git

Explore and publish data from SQLite databases

Replaces Airtable

Work with container images and registries from the command line

Replaces docker pull

Vulnerability scanner backed by the OSV database

Replaces Snyk, Dependabot alerts

Toolkit to pack, ship, store and deliver container content

Replaces Docker Hub

Realtime client-side database with relational queries

Replaces Firebase

Self-hosted collection of handy developer and text utilities

Replaces CyberChef

Universal command-line client for many SQL databases

Replaces psql

Local development environments for Kubernetes and microservices

Replaces Skaffold, Garden

Thin wrapper that keeps Terraform configurations DRY

Replaces Terraform Cloud

Generate software bills of materials from images and code

Replaces Snyk

Automated code review with any linter

Replaces SonarQube

Cross-platform web client for PostgreSQL databases

Replaces pgAdmin

Browser editor for designing and validating OpenAPI documents

Replaces Stoplight, Postman

Terraform pull request automation

Replaces Terraform Cloud, Spacelift

Build OCI container images without a daemon

Replaces docker build

Static analysis for infrastructure as code

Replaces Snyk IaC

Fast and powerful Git hooks manager

Replaces Husky

Database schema management as code

Replaces Flyway, Liquibase

draw.io

Developer Tools & Git

Self-hostable diagramming application

Replaces Lucidchart, Visio

GitOps toolkit for keeping Kubernetes in sync

Replaces Spinnaker

Design and run mock REST APIs locally or self-hosted

Replaces Postman Mock Server

Check Kubernetes clusters against the CIS benchmark

Replaces Kubescape

Evaluate, test and monitor ML and LLM models

Replaces Arize, WhyLabs

Adminer

Developer Tools & Git

Database management in a single PHP file

Fast, declarative developer environments with Nix

Replaces Docker Dev Containers

Manifest

Developer Tools & Git

Open-source backend defined from a single YAML file

Replaces Firebase, Supabase

HedgeDoc

Developer Tools & Git

Real-time collaborative Markdown editor

Replaces HackMD, Google Docs

Headlamp

Developer Tools & Git

Extensible web UI for Kubernetes clusters

Replaces Lens, Kubernetes Dashboard

Flexible API mocking and service virtualization

Replaces Mockoon, Postman Mock

Fast local development for Kubernetes microservices

Replaces Bridge to Kubernetes

Run commands when files change

Replaces nodemon

High-performance API Gateway

Kubernetes cluster sanitizer that scans for misconfigurations

Replaces kube-score

Open-source BI built on top of dbt

Replaces Looker

Weblate

Developer Tools & Git

Translation platform using Git and Python

Replaces Locize, Transifex

Web-based MongoDB admin interface, written with Node.js and Express

Developer tool for building and deploying to Kubernetes

Replaces Tilt, Skaffold

CloudBeaver

Developer Tools & Git

Web database management tool for many SQL and NoSQL engines

Replaces phpMyAdmin, DataGrip

Mathesar

Developer Tools & Git

Intuitive UI to manage data collaboratively, for users of all

OpenAPI-driven mock server and contract validation proxy

Replaces Postman, Stoplight

Fast source code search and cross-reference engine

Replaces GitHub Code Search

Feature flag solution with support for multiple data backends

Multi-pod and container log tailing for Kubernetes

Replaces kubectl logs

BitTorrent client with VPN support

API to compile and run source code

Cross-platform terminal UI for SQL databases

Replaces DBeaver, TablePlus

Static checker for GitHub Actions workflow files

Replaces GitHub Actions web editor

Intelligent software supply chain component analysis

Replaces Snyk

Tolgee

Developer Tools & Git

Developer & translator friendly web-based localization platform

Chartbrew

Developer Tools & Git

Connect directly to databases and APIs and use the data to create

Process manager for Procfile-based applications

Replaces Foreman

Terminal-based API client inspired by Postman

Replaces Postman, Insomnia

Property-based testing tool for APIs from their schema

Replaces Postman

Automation platform for Kubernetes development and testing

Replaces Skaffold, Tilt

Remote development environments on Kubernetes

Replaces Gitpod, Codespaces

Web user interface for the Docker Distribution registry

Replaces Docker Hub

Kometa

Developer Tools & Git

Overlays, Collections & Playlists for Plex

Open-source webhooks as a service that makes it super easy for API

High-level command-line interface for Git workflows

Replaces GitKraken Workflows

Data transformation and modeling framework for SQL teams

Replaces dbt Cloud

DDNS Updater

Developer Tools & Git

Program to keep DNS A and/or AAAA records updated for multiple DNS

Flexible JSON and YAML linter for OpenAPI and more

Replaces Stoplight Studio

Build internal tools and web apps from YAML config

Replaces Retool, Appsmith

Elegant and modern git repository viewer

Terminal Git client inspired by Magit

Replaces GitKraken, Sourcetree

Simple, open-source, lightweight (< 1 KB) and privacy-friendly web

zot

Developer Tools & Git

Production-ready vendor-neutral OCI registry

Replaces Docker Hub, Harbor

Orchestrate non-container processes with a Compose-like file

Replaces Docker Compose, Foreman

Enterprise-grade container image registry

Replaces Docker Hub, Harbor

Cross-platform open-source Git client

Replaces GitKraken, Sourcetree

Offline-first browser and desktop REST API client

Replaces Postman, Insomnia

Universal artifact repository manager

Replaces Artifactory

SQL-only dynamic website builder

Lightweight service virtualization and API simulation

Replaces WireMock

Visual database exploration made for real world databases (big

Translation management platform for teams

Open-source API management platform which helps to build and manage

Simple, complete, and lightweight feature flag solution (alternative

Saltcorn

Developer Tools & Git

No-code database application builder for web and mobile applications

API mocking and testing for cloud-native development

Replaces Postman Mock, WireMock

Detect secrets across code, history and CI

Replaces GitGuardian

Fast trigram-based code search engine

Replaces GitHub Code Search

Command-line tools for working with container registries

Replaces docker CLI

Enterprise-grade feature flag platform that you can self-host

Open-source API testing and monitoring toolkit

Replaces Postman Monitors

Application-centric Kubernetes assurance and dashboard

Replaces Lens

Turns any SQL/NoSQL/Structured data into Restful API

Review Board

Developer Tools & Git

Powerful code and document review tool

Replaces Crucible

React framework for building server-side web apps

Replaces Next.js

Feature-rich client-side code playground for React, Vue, Svelte,

Accent

Developer Tools & Git

Developer-oriented translation tool

Network-based, self-hosted, GDPR compliant, secure database

OAuth Proxy for IMAP/POP/SMTP

Simple and lightweight Kubernetes dashboard

Replaces Kubernetes Dashboard

Tiny Go server that prints os information and HTTP request to output

Koillection allow you to manage any kind of collections

GlitchTip

Developer Tools & Git

Open-source error tracking and performance monitoring

Replaces Sentry, Bugsnag

Simple and efficient HTTP mock server

Replaces WireMock, Mockoon

Private PyPI server and packaging caching proxy

Replaces JFrog Artifactory

Self-hosted runtime for apps built with Anvil

Replaces Anvil Cloud, Retool

Suite of continuous benchmarking tools designed to catch performance

Unified source code management for Git, SVN and Mercurial

Replaces GitHub, Bitbucket

Fast web interface for Git repositories

Replaces GitHub

Simple, easy-to-set-up Git web viewer

Replaces GitHub

Phorge

Developer Tools & Git

Community-driven fork of Phabricator

Replaces GitHub, Jira

Simple repository browser for Git repositories

Replaces GitHub

Distributed version control with built-in wiki and bug tracking

Replaces GitHub, Git

Flexible and modular backend framework/server for object persistence,

A simple, opinionated, RSS feed aggregator

Turn multiple data sources into a single GraphQL API

WebHook Tester

Developer Tools & Git

Powerful tool for testing WebHooks and more

Self-hosted collaborative whiteboard backend for diagrams

Replaces Miro, Lucidchart

Your internet folder

Cloudflare Tunnels in a Web UI

SeedSync

Developer Tools & Git

SeedSync is a tool to sync the files on a remote Linux server

UI Bakery

Developer Tools & Git

Build internal tools, customer portals, and CRUD apps quickly

Build reproducible development containers from dev container specs

Replaces GitHub Codespaces

A simple self hosted reminder platform that uses push to send

LiveSync couchdb backend for Obsidian

Dumps Let's Encrypt certificates of a specified domain which Traefik

Hello World web server in under 2 MB

Self hosted vehicle and expense management system. Like Clarkson, but

Minimal Deluge WebUI with full mobile support

Database framework for creating database-driven business applications

Flightlog, a web application that keeps track of your personal flight

Lightweight platform for building webhooks, scheduled tasks and pages

qDirStat

Developer Tools & Git

A graphical disk usage analyzer

Decentralized and trustless Monero block explorer

Simple SMTP relay for environments where you may have private servers

Hook0

Developer Tools & Git

Webhooks-as-a-service (WaaS) that makes it easy for online products

Scriptable, lightweight mock server for REST and SOAP APIs

Replaces WireMock

Install services and databases needed to support Dont-code platform

Scalable browser automation grid on your cloud (AWS, GCP and Azure)

Setup many databases in few clicks with monitoring, load balancing

RepoFlow

Developer Tools & Git

Simplify package management for npm, PyPI, Docker, Go, Helm, and more

Efficient Selenium protocol implementation running everything

OpenSpeedTest

Developer Tools & Git

HTML5 Network Speed Test Server