The 522 Best Development in 2026

Visual work OS for teams and workflows.

Platform for deploying and hosting modern web projects.

The world’s most popular open-source relational database.

In-memory data store for caching and real-time apps.

Empowering App Development for Developers

Frontend cloud for deploying modern web apps.

Code editing. Redefined.

A fast, distraction-free text editor for code.

Git hosting, code review, and CI/CD for software teams.

The popular document (NoSQL) database.

The advanced open-source relational database.

Google’s app development platform with realtime backend.

The most comprehensive AI-powered DevSecOps platform

The Collaboration Platform for API Development

Automate web scraping and data extraction tasks with PhantomBuster

Fast, modern site generator built on React and GraphQL

Manage your DB schema with Rails DSL and automated migrations

AI workspace that captures discovery, scope, and decisions for software implementation projects

A fast, native Mac code editor with built-in Git, debugging, and live previews.

A fully customizable JavaScript calendar library for modern web applications.

AI-powered codeless test automation platform for web, API, mobile, and desktop.

Comprehensive IT monitoring platform for proactive infrastructure management

Open-source JavaScript end-to-end testing framework with an optional cloud dashboard.

Enterprise-grade automation for consistent infrastructure at scale

Open-source platform for secrets, certificates, and privileged access management

Free, open-source chess server

Modern load testing tool

Free Bootstrap 5 Admin Dashboard Template

An open-source RTMP live streaming client for Android devices.

Free, open-source CI/CD server for modeling complex, real-world deployment pipelines.

Unified API for LLM management and key redistribution

Data-driven documents with SVG, Canvas, and HTML

Secure dotenv for developers

Realtime backend in 1 file

Fast CLI tool for exporting, importing and migrating Elasticsearch data

The React Framework for Production

Nokia's public API marketplace for discovering, testing, and monetizing thousands of APIs.

Visual headless CMS for building and editing pages with drag-and-drop components

Full-stack observability platform for modern cloud applications

AI-unified release assurance platform for testing web and mobile apps.

2D skeletal animation software purpose-built for creating and exporting animated game characters.

Empowering everyone to build reliable and efficient software

High-performance, collaborative code editor

A free Git and Mercurial client that gives developers a visual way to manage repositories, branches, and commits.

Hyperextensible Vim-based text editor built for maximum usability and speed.

Open-source automation server for continuous integration and delivery

Integrated DevOps platform for planning, building, testing, and delivering software

Open‑source time‑series database built on PostgreSQL for scalable analytics

Modern copy to clipboard solution without Flash

A modern, AI‑enhanced terminal built for developers to work faster.

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data

Run VS Code in any browser, self‑hosted and free.

A free, open‑source admin dashboard built with Vue.js and Element UI

Full-stack JavaScript web framework unifying server, routing, and UI in one system.

Column-store database management system

A powerful, extensible IDE for Java and beyond

Radically simple IT automation platform

Self-hosted open-source monitoring and alerting for DevOps teams

Build fast, content‑focused websites with a modern, component‑first framework.

Visual website builder for WordPress with AI-powered design tools

The intuitive Vue framework for universal apps

All‑in‑one self‑hosted Git, CI/CD and DevOps platform

React Framework for building internal tools, admin panels, dashboards & B2B apps

Extremely fast Python linter and code formatter

A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM

High‑performance Redis‑compatible in‑memory datastore for modern workloads

End-to-end developer platform for Source Control Management, CI/CD Pipelines, and more

High-performance time-series database for real‑time analytics

Simple, blog-aware static site generator

A simple terminal UI for git commands

Cloud-native Go microservices framework for productivity

Pause GitHub Actions workflows for manual approval

Fast JavaScript runtime, bundler, test runner, and package manager

Terminal string styling done right

Lightweight API exploration and testing IDE

One API for AI Video, Image & Audio Generation

Open-source platform for building and deploying long-running background jobs and AI workflows in TypeScript.

Delivery and shipment tracking API for Korean, Japanese and Chinese carriers

Release orchestration platform for Kubernetes and microservices

Patch-level verification for Bundler

Scalable real‑time search and analytics engine for any data

Open-source file and folder comparison tool for Windows.

Secure, sub-90ms cloud sandboxes for running AI-generated and untrusted code at scale.

Fully managed, petabyte-scale log and event platform built for AI-native observability.

Open-source platform for reliable, durable workflow orchestration

AI‑enhanced diagramming directly in your browser

Cross‑platform C# framework for 2D/3D game development

Forms made easy for Rails

Build scalable JavaScript applications with ease

Multi-platform 2D and 3D game engine

Cross-platform 2D/3D game engine and content creation tool

Development Environment Management Tool

Event-driven workflow engine for applications and AI Agents

A professional-grade UI test automation platform for desktop, web, and mobile applications.

Monitor and fix mobile app crashes, ANRs, bugs, and performance issues

Feature flagging and A/B testing for engineering teams

Cross-platform Git GUI client with a visual commit graph

Sync data warehouse insights into operational tools

Turn spreadsheets and data sources into fully functional apps without code.

Create full-stack apps and websites by chatting with AI, powered by StackBlitz.

Build, test, and document UI components in isolation.

Open-source APM for cloud‑native microservices

A realtime, distributed messaging platform for fault‑tolerant microservices.

Cloud-based database to organize and manage data

Create 2D games quickly with drag‑and‑drop or code.

Create, script, and publish Roblox games for free

Automated version management and package publishing

API-first platform for scalable image and PDF generation

Fast, flexible static site generator written in Rust

Google's no-code platform for building business apps and workflow automations from your data.

Free and open-source HTML Dashboard UI Kit built on Bootstrap

Cloud computers with NVIDIA GPUs that stream high-performance workstations to any device.

AI-powered test automation for web, mobile, API, and Salesforce applications

Generate interactive HTML bill‑of‑materials directly from your PCB design

All-in-one docs, spreadsheets, and apps in a single collaborative workspace

A free graphical Git client for managing GitHub repositories without the command line.

Java-based RPC and microservice framework

Instant data access with built‑in operational intelligence

Automation engine for building, testing, and shipping codebases

AI-powered automation and app builder

Open source digital signage solution

Optimize database costs and improve time-to-market with DBLab

Immediate mode GUI for C++ with zero bloat

Free open-source desktop app for local container management and Kubernetes development.

Cross‑platform real‑time system monitoring for admins and DevOps

Python libraries for computational biology and bioinformatics

Visual database design made simple and free for developers.

Interactive API documentation and developer hub platform with AI-assisted authoring.

Visual regression and UI review platform built by the Storybook maintainers.

Build web and mobile apps with AI agents, full visual control and real code access.

Real-time error monitoring platform with session replay and AI-assisted fixes.

AI-powered performance, API, and functional testing platform by Perforce.

AI-native agentic testing platform for web, mobile, API, and performance testing.

AI-native cloud platform for cross-browser and mobile app testing.

AI-powered visual testing platform that catches visual and functional regressions.

WordPress media performance for careful theme builders.

A multi-model database unifying graph, document, key-value, vector, and search for AI-driven applications.

Enterprise version control built for large binary files, big codebases, and distributed teams.

An open-source graph-relational database built on Postgres with a built-in query language, auth, and AI tooling.

External uptime, performance, SSL, and domain monitoring for websites and servers.

Infrastructure as code for provisioning and managing any cloud resources

Durable execution platform for reliable workflows, AI agents, and background jobs without extra infra.

Self-updating documentation platform that keeps docs in sync for both humans and AI agents.

Open-source static site generator by Meta for building fast documentation websites.

YAML-based end-to-end testing framework for mobile and web apps, with an AI-native cloud runner.

Universal database tool

API observability and governance platform that monitors, secures, and documents API traffic in real time.

Offline API documentation browser

High-Performance server for NATS.io

Free source‑code editor with powerful syntax highlighting and extensible plugins

Self-hosted uptime and status page

A powerful, customizable JavaScript calendar for modern web apps

Deploy your applications with ease

Internal developer platform that deploys and scales apps on your own AWS, GCP, or Azure account.

Open-source, flexible, and extensible low-code platform

In-memory data store for real-time web applications

A modern Python CMS

The SQLite for Analytics

An open-source, PostgreSQL-compatible distributed SQL database for cloud-native apps.

A Swift image‑cropping library that mimics the iOS Photos app experience

No-code platform for building business apps and client portals with AI assistance.

A local-first, open-source API client for HTTP, GraphQL, gRPC, WebSocket, and SSE requests.

AI-first monitoring platform for autonomous IT operations

Android and iOS native library emulation

Stealth Chromium for bot detection evasion

Powerful IDE for building modern applications on any platform

Continuous integration and delivery platform that automates testing and deployment at AI speed.

Simple, flexible CI/CD for fast software delivery

Create custom Discord bots with AI, no code required.

Cross-platform automation framework for all kinds of apps

Interactive API docs for developers

Open-source headless CMS for Markdown and Visual Editing

Instant cloud dev environments from any Git repo

AI-assisted visual regression testing that catches UI bugs functional tests miss.

The Ultimate AI Game Master Experience

Transfer data with various network protocols

Lightweight REST API client built directly into VS Code and JetBrains IDEs.

Routing and navigation for React Native and Web apps

Modern, framework-agnostic, Git-based headless CMS

A hackable text editor for the 21st‑century developer

Open-source framework for building native iOS and Android apps in JavaScript or TypeScript.

Build internal tools fast with a drag‑and‑drop UI and prebuilt data connectors.

Real-time analytics and hybrid search database for AI agents

The Open Context Layer for Data and AI

Free, Open-Source Internet Computer

The official IDE for building Android apps, with Gemini AI built in.

Continuously delivered upstream OS for developers

Configurable Android image cropping widget for developers

The AI SRE that catches issues before you know they exist.

Write TypeScript in the browser and ship it live to a URL in about 100 milliseconds.

AI agents map your app and write end-to-end Playwright tests to reach high automated coverage fast.

Collaborative SQL editor where teams write queries, comment in real time, and share dashboards.

Visual node-based dialogue editor for branching narrative in Unity, Unreal, and Godot

AI-powered code review platform combining static analysis with automated pull request fixes.

Code quality and security platform with AI guardrails for pull requests and AI-generated code.

Fast, offline-first tool for designing and running mock REST APIs.

Declarative GitOps continuous delivery tool for Kubernetes.

Web-based version control repository manager

LLM calls that don't break

Code-first, open-source headless CMS and application framework

Street network analysis and visualization from OpenStreetMap

Powerful parser generator for structured text or binary files

Fast and flexible 2D WebGL renderer

Fast, cache-optimized Docker builds and CI runners built for speed.

Open-source no-code database and spreadsheet-database hybrid

Test management platform that unifies manual, automated, and CI test results.

Native Git command line and GUI for Windows developers

Free, open-source SQL editor and database GUI for modern developers

Open-source no-code automation platform for building workflows

Open-source observability for logs, metrics and traces

Create 2D RPGs for PC, mobile, and web without coding.

Event-driven automation for DevOps and SREs

Kubernetes Operator for PostgreSQL

Progressive delivery Kubernetes operator for Canary, A/B Testing and Blue/Green deployments

Visual, AI-assisted builder for production web apps without writing code.

A fast, cross-platform Git client from the makers of Sublime Text.

Open-source feature flags and remote config for any app

Fast and dynamic CSG implementation on top of three-mesh-bvh

Local-first code intelligence graph for efficient code reviews

Monitoring system and time series database

Open-source Headless CMS

A modern, open-source, headless CMS

Open-source observability platform for teams and AI agents

Real-time status pages for incident and uptime updates

Fast high-level web crawling & scraping framework for Python

Barcode scanning library for Java and Android

Automated error monitoring for mobile, web, and backend applications

A scalable, ACID‑compliant NoSQL database with SQL‑like queries

Fast, real‑time web log analyzer for system administrators

All-in-one platform to design, mock, test, and document APIs.

Connect APIs and build event-driven workflows with serverless code

Simple and commonly used WPF controls

Git-based config manager

Unified notification infrastructure for developers

Handle Prometheus alerts with ease

Monitor Kafka clusters with synthetic workloads

Build custom internal tools with ease

OpenTelemetry-native APM that unifies traces, metrics, and logs on top of ClickHouse.

The Web framework for perfectionists with deadlines

Open-source infrastructure as code platform for managing cloud infrastructure with real programming languages.

A free, open-source IDE for Java and multi-language development

Record and replay the web

Notification infrastructure API for sending product, marketing, and transactional messages.

Messaging platform for orchestrating notifications and lifecycle journeys across every channel.

Fish-like autosuggestions for zsh

A scalable, user-friendly source control system built by Meta for large repositories.

A personal developer hub where curiosity meets code, connecting visitors with the projects and profiles of an indie maker.

Cross-platform UI toolkit for native-quality apps

Free visual diff and merge tool for comparing files, folders, and version-controlled projects.

AI-driven test case management platform for planning, executing, and tracking software testing.

The official React Native framework and cloud platform for building and shipping cross-platform apps.

Beginner-friendly 2D game engine used by indie developers and studios to build and export games widely.

An open-source platform for managing multiple Kubernetes clusters across datacenters, cloud, and edge.

Containerize, build, and run apps locally with a single click

Open-source, no-code game engine for building and publishing 2D games.

Dex to Java decompiler

A simple and elegant markdown editor

A flexible, plugin-driven WYSIWYG markdown editor for the web

Powerful data-fetching and caching for React apps

Headless CMS and API Platform

Building Apps with Purpose

Accelerate DevOps workflows with a cloud‑native CI/CD platform

Open-source feature management platform

Interactive charting and data visualization library

High-performance Node.js image processing

Go programming language debugger

High-performance reverse proxy for NAT traversal

Pure Go implementation of the WebRTC API

Run macOS VM in a Docker!

Real-time communication for every platform

Distributed storage system for object storage and file systems

Your personal AI testing assistant that turns exploratory testing into fast, automated, and visual quality assurance.

Calendar components for React Native

Captures screen, console logs, and network requests so developers can reproduce bugs instantly.

Toolkit for common assertions and mocks

A no-code RPA and business automation platform that turns repetitive web, desktop, and cloud workflows into self-running bots in minutes.

Distributed key-value store for shared configuration and service discovery

Draw pretty maps from OpenStreetMap data

Go library for reading and writing Microsoft Excel spreadsheets

3D globes and maps in the browser

Fast Query Engine for DataFrames

Find unused files, dependencies and exports in your JavaScript and TypeScript projects

Your personal junior developer

World’s leading location platform for maps, routing and real‑time data

CLI proxy that trims command output for AI assistants, slashing token usage by up to 90%.

Energy consumption metrology agent for sustainable systems and applications

Rapid Laravel admin panels and UI built with Livewire

Next‑generation ORM for Node.js and TypeScript

Advanced Node.js process manager for production environments

A modern, automatic HTTPS web server and reverse proxy

Fast, async Python web framework for high‑performance APIs

Rapid Development PHP Framework

A cloud‑native, MySQL‑compatible distributed SQL database for massive scalability

Software to automate the management and configuration of infrastructure and applications at scale.

Fast, flexible flat‑file CMS for developers and designers

A lightweight open-source framework to build and automate OpenAgent workflows.

A Python library for rich text and beautiful formatting in the terminal.

Programmatically author, schedule, and monitor data pipelines

A lightweight, portable command-line YAML processor

Secure authentication for Next.js apps

Self‑hosted dashboard for managing AI coding agents

Open-source vector search engine for AI-native applications

A painless self‑hosted Git service for teams

Open-source telemetry dashboard for UART, BLE, MQTT, Modbus, CAN and more.

Self‑hosted Heroku alternative for apps and databases

Run Android emulators in Docker containers for fast, reproducible testing

Open-source Airtable alternative for collaborative databases

Python APIs for web automation, testing, and bot‑detection bypass

Performant, flexible form handling for React with minimal re-renders

Define infrastructure as code and provision cloud resources automatically

Fast, open-source API testing and documentation in your browser

Fast, header-only C++ logging library for high-performance applications

High-performance cloud‑native vector database for scalable ANN search

Elegant, structured logging for Go applications

Simple and fast JSON database

Fast, zero-copy serialization library for games and services

Generate optimized NGINX configs with a visual wizard

Boost your terminal productivity with reusable code snippets

Automate any workflow without code

Unified incident response platform that streamlines alerts, on‑call scheduling, and automation for modern ops teams.

Visualize and manage Redis data with an intuitive GUI

Session replay and product analytics for web apps

Collaborative cloud IDE for coding, learning, and deploying instantly

Run GitHub Actions locally with a single CLI command

Drag‑and‑drop UI builder for React, Vue, Svelte and Qwik

Fast, simple, and powerful static blog generator

Python toolbox for seismology and earthquake data analysis

Connect your apps and automate workflows without code

CI/CD pipelines that run on your own infrastructure at any scale.

Secure, self‑hosted development environments for teams

A minimalistic static site generator powered by Vue and Markdown

A free, responsive admin dashboard template built on Bootstrap 5

The modern cloud-native edge router and reverse proxy

Universal code search and intelligence for any codebase

A searchable web hub of dev & IT utilities, from hashing to network calculations.

A Git client built around virtual branches for managing multiple changes at once.

Design, document, and build APIs faster with an OpenAPI-first workflow.

A low-code platform for building and orchestrating enterprise apps and AI agents.

Monitor errors, uptime, and cron jobs for web applications

Your technology partner for custom software, websites, and applications built to move your business forward.

AI-powered code editor for multi-file edits

Centralized secrets management for dev teams.

Composable observability platform