Neovim
Neovim modernizes Vim with Lua configuration, built-in LSP, Tree-sitter, and async plugins, and can be embedded in other UIs. Modal editing takes time to learn.
Alternatives / Sublime Text
2 open-source alternatives
2 Best Open Source Sublime Text Alternatives in 2026
Looking for an open source Sublime Text alternative? We compared 2 open source editors by license, platforms, and approach. Neovim is a modern Vim fork, and Athas is a lightweight editor that combines code, terminal, and Git.
Written by Maxime DERAME
Last updated:
Best Sublime Text alternatives at a glance
| Alternative | Best for | License |
|---|---|---|
| Neovim | Modern Vim with LSP and Lua | Apache-2.0 |
| Athas | Editor with terminal, Git, and agents | AGPL-3.0 |
How we chose these Sublime Text alternatives
We looked for fast, lightweight open-source editors. We verified each project's license, recent activity, stars, and platforms in its repository. See our methodology for the full criteria.
Athas
Athas combines code editing, a terminal, Git, and GitHub in one window on macOS, Windows, and Linux, with a built-in agent and support for third-party agents such as Claude and Gemini CLI. It is a minimalist workspace rather than a full IDE.
License details
Neovim is Apache-2.0. Athas is AGPL-3.0.
Maintenance status
Both had commits within days of this update.
Why look for a Sublime Text alternative?
Sublime Text is a proprietary editor with a paid license after an evaluation period. Open-source editors are free and extensible, but have different learning curves.
neovim.io
Neovim is an Apache-2.0 terminal editor with built-in LSP support, Tree-sitter, and a broad plugin ecosystem for AI assistants, completion, agents, and local models.
103.1K7.2KApache-2.0Self-hosted
Pricing: Free and open source; AI providers and plugins may have separate costs or terms.
- Fast and highly customizable
- Built-in LSP and Tree-sitter
- Works with many AI tools and local models
- AI requires plugins and configuration
- Steep learning curve
- No integrated visual AI workflow by default
athas.dev
Athas combines a code editor, terminal, Git, GitHub, and AI agents in a single application. It supports third-party agents including Claude, Gemini CLI, GitHub Copilot, and OpenCode, plus OpenAI-compatible models.
3.1K257AGPL-3.0Self-hosted
Pricing: Free and open source.
- Editor, terminal, Git, GitHub, and agents in one app
- Works on macOS, Windows, and Linux
- Supports several third-party agents and OpenAI-compatible models
- Young project with a small ecosystem
- AGPL-3.0 license may not suit every team
Compare Sublime Text alternatives
| Alternative | Type | License | Self-hosted | Best for |
|---|---|---|---|---|
| Neovim | Code editor | Apache-2.0 | Local | Keyboard-driven editing |
| Athas | Code editor | AGPL-3.0 | Local | Minimal all-in-one |
Which one should you choose?
Want a powerful keyboard-driven editor
Neovim has built-in LSP, Tree-sitter, and Lua configuration.
Want an editor with a terminal and agents
Athas combines code, terminal, Git, and agents.