No direct AgentFast replacements listed yet
Open-source developer tools. To compare with AgentFast.
60 open-source developer tools
OpenCode
AI Tools
The open source coding agent.
MITvs Claude Code★ 211k
Visual Studio Code
Developer Tools
Visual Studio Code
MITvs Sublime Text★ 193k
Codex CLI
AI Tools
Lightweight coding agent that runs in your terminal
Apache-2.0vs Claude Code★ 128k
Godot
Developer Tools
Godot Engine – Multi-platform 2D and 3D game engine
MITvs Unity★ 118k
Gemini CLI
AI Tools
An open-source AI agent that brings the power of Gemini directly into your terminal.
Apache-2.0vs Claude Code★ 107k
Windows Terminal
Developer Tools
The new Windows Terminal and the original Windows console host, all in the same place!
MITvs Warp★ 105k
Neovim
Developer Tools
Vim-fork focused on extensibility and usability
OSSvs Sublime Text★ 103k
Zed
Developer Tools
Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the
OSSvs Sublime Text★ 91k
OpenHands
AI Tools
🙌 OpenHands: AI-Driven Development
MITvs Devin★ 90k
code-server
Developer Tools
VS Code in the browser
MITvs Replit★ 80k
Ventoy
Developer Tools
A new bootable USB solution.
GPL-3.0★ 80kTesseract
Developer Tools
Tesseract Open Source OCR Engine (main repository)
Apache-2.0★ 77k
Tabby
Developer Tools
A terminal for a more modern age
MITvs Warp★ 75k
Cline
AI Tools
Autonomous coding agent as an SDK, IDE extension, or CLI assistant.
Apache-2.0vs GitHub Copilot★ 70k
Open Interpreter
AI Tools
A coding agent for open models like Kimi K3 and GLM 5.3
Apache-2.0vs Claude Code★ 68k
Ghostty
Developer Tools
👻 Ghostty is a fast, feature-rich, and cross-platform terminal emulator that uses platfor
MITvs Warp★ 62k
Termux
Developer Tools
Termux - a terminal emulator application for Android OS extendible by variety of packages.
OSS★ 62k
Goose
AI Tools
an open source, extensible AI agent that goes beyond code suggestions - install, execute,
Apache-2.0vs Claude Code★ 55k
Helix
Developer Tools
A post-modern modal text editor.
MPL-2.0vs Sublime Text★ 46k
IT Tools
Developer Tools
Collection of handy online tools for developers, with great UX.
GPL-3.0★ 41k
Vim
Developer Tools
The official Vim repository
Vimvs Sublime Text★ 41k
Rufus
Developer Tools
The Reliable USB Formatting Utility
GPL-3.0★ 38k
Continue
AI Tools
open-source coding agent
Apache-2.0vs GitHub Copilot★ 36kkitty
Developer Tools
If you live in the terminal, kitty is made for you! Cross-platform, fast, feature-rich, GP
GPL-3.0vs Warp★ 35k
balenaEtcher
Developer Tools
Flash OS images to SD cards & USB drives, safely and easily.
Apache-2.0★ 34k
VSCodium
Developer Tools
binary releases of VS Code without MS branding/telemetry/licensing
MITvs Sublime Text★ 33k
Google Workspace CLI
Developer Tools
Google Workspace CLI — one command-line tool for Drive, Gmail, Calendar, Sheets, Docs, Cha
Apache-2.0★ 31k
Notepad++
Developer Tools
Notepad++ official repository
OSSvs Sublime Text★ 29k
WezTerm
Developer Tools
A GPU-accelerated cross-platform terminal emulator and multiplexer written by @wez and imp
OSSvs Warp★ 29k
Kilo Code
AI Tools
Kilo is the all-in-one agentic engineering platform. Build, ship, and iterate faster with
MITvs Cursor★ 27k
Vagrant
Developer Tools
Vagrant is a tool for building and distributing development environments.
OSS★ 27k
Alacritty
Developer Tools
A cross-platform, OpenGL terminal emulator.
Apache-2.0vs Warp★ 66k
Marimo
Developer Tools
A reactive notebook for Python — run reproducible experiments, query with SQL, execute as
Apache-2.0vs Hex★ 23k
Wave Terminal
Developer Tools
An open-source, AI-integrated, cross-platform terminal for seamless workflows
Apache-2.0vs Warp★ 22k
GitHub Desktop
Developer Tools
Focus on what matters instead of fighting with Git.
MITvs GitKraken★ 22k
golangci-lint
Developer Tools
Fast linters runner for Go
GPL-3.0★ 19k
iTerm2
Developer Tools
iTerm2 is a terminal emulator for Mac OS X that does amazing things.
GPL-2.0vs Warp★ 18kApprise
Developer Tools
Apprise - Push Notifications that work with just about every platform!
BSD-2-Clausevs Courier★ 18k
Coder
Developer Tools
Secure environments for developers and their agents
AGPL-3.0vs CodeSandbox★ 17k
JupyterLab
Developer Tools
JupyterLab computational environment.
BSD-3-Clausevs MATLAB★ 15k
Jupyter Notebook
Developer Tools
Jupyter Interactive Notebook
BSD-3-Clausevs MATLAB★ 13k
Distrobox
Developer Tools
Use any linux distribution inside your terminal. Enable both backward and forward compatib
GPL-3.0★ 13k
SonarQube
Developer Tools
Continuous Inspection
LGPL-3.0vs Codacy★ 11k
XGo
Developer Tools
XGo is a programming language that reads like plain English. But it's also incredibly powe
Apache-2.0★ 9.5k
Spyder
Developer Tools
Official repository for Spyder - The Scientific Python Development Environment
MITvs MATLAB★ 9.4kwitr
Developer Tools
Why is this running? Trace any process, port, container, or file back to what started it -
Apache-2.0★ 23k
Atlas
Developer Tools
Atlas is a native macOS workspace for coding agents. Install Claude Code, Codex, OpenCode
Apache-2.0★ 8.7k
Munder Difflin
Developer Tools
Free and open source multi agent harness. Run Claude Code, Codex, Gemini CLI and nine more
MIT★ 8.3k
Aider
AI Tools
aider is AI pair programming in your terminal
Apache-2.0vs Claude Code★ 49k
App Store Connect CLI
Developer Tools
Fast, scriptable CLI for the App Store Connect API. Automate TestFlight, builds, submissio
MIT★ 7.6k
massCode
Developer Tools
A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and
AGPL-3.0vs Dash★ 7k
Mission Control
Developer Tools
Self-hosted control plane for AI agents: dispatch tasks, review runs, track spend, and ope
MIT★ 6.3k
Inngest
Workflow Automation
The leading workflow orchestration platform. Run stateful step functions and AI workflows
OSSvs AWS Step Functions★ 5.9kPHP Insights
Developer Tools
🔰 Instant PHP quality checks from your console
MIT★ 5.6k
Revive
Developer Tools
🔥 Fast, strict, configurable, extensible, and beautiful linter for Go
MIT★ 5.6k
Tabby
AI Tools
Self-hosted AI coding assistant
OSSvs GitHub Copilot★ 34k
GNU Emacs
Developer Tools
Mirror of GNU Emacs
GPL-3.0vs Sublime Text★ 5.2k
Laravel Telescope
Developer Tools
An elegant debug assistant for the Laravel framework.
MIT★ 5.2k
Flatpak
Developer Tools
Linux application sandboxing and distribution framework
LGPL-2.1★ 5.1k
RStudio
Developer Tools
RStudio is an integrated development environment (IDE) for R
OSSvs IBM SPSS Statistics★ 5.1k