BestDeveloper ToolsTools

Essential open source tools for software developers. Browse API clients like Hoppscotch and Bruno, no-code database platforms like NocoDB and Supabase, container management tools, workflow automation engines, and AI-powered coding assistants. Build, test, and ship software faster with community-driven alternatives to commercial developer tools.

colima

Container runtimes on macOS (and Linux) with minimal setup

Containers

tabby

Self-hosted AI coding assistant

AI

insomnia

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

API Client

bruno

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

API Client

n8n

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Automation

azimutt

Explore, document and optimize any database

Database

formbricks

Open Source Qualtrics Alternative

Survey Platform

hoppscotch

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

API Client

scalar

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern REST API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

API Client

supabase

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Database

dagu

A lightweight workflow engine built the way it should be: declarative, file-based, self-contained, air-gapped ready. One binary that scales from laptop to distributed cluster. Used as a sovereign AI-agent orchestration infrastructure.

Workflow Engine

OpenHands

🙌 OpenHands: AI-Driven Development

Agent

DirectoryLister

📂 Directory Lister is the easiest way to expose the contents of any web-accessible folder for browsing and sharing.

Directory Browser

gotenberg

A developer-friendly API for converting many document formats into PDF files, and more!

API

ntfy

Send push notifications to your phone or desktop using PUT/POST

Push Notifications

unison

Unison file synchronizer

File Synchronization

cloudbeaver

Cloud Database Manager

Cloud

pyload

The free and open-source Download Manager written in pure Python

Download Manager

tinyfilemanager

Single-file PHP file manager, browser and manage your files efficiently and easily with tinyfilemanager

File Manager

nocodb

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

no-code database

mathesar

An intuitive spreadsheet-like interface that lets users of all technical skill levels view, edit, query, and collaborate on Postgres data directly—100% open source and self hosted, with native Postgres access control.

Database GUI

pocketbase

Open Source realtime backend in 1 file

Authentication

continue

⏩ Source-controlled AI checks, enforceable in CI. Powered by the open-source Continue CLI

Agent

chartdb

Database diagrams editor that allows you to visualize and design your DB with a single query.

Database

podman-desktop

Podman Desktop is the best free and open source tool to work with Containers and Kubernetes for developers. Get an intuitive and user-friendly interface to effortlessly build, manage, and deploy containers and Kubernetes — all from your desktop.

Container

filament

A powerful open-source UI framework for Laravel • Build and ship apps & admin panels fast with Livewire

Admin Panel

requestly

Free and open-source API Client & Interceptor.

API Client

openapi-generator

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

API

meilisearch

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

Search

middleware

✨ Open-source DORA metrics platform for engineering teams ✨

DORA Metrics