GitHub Copilot costs $10/mo.
These cost $0.
5 free alternatives to GitHub Copilot, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
GitHub Copilot vs Free Alternatives Matrix
Quick side-by-side comparison · $0/mo vs $10/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| OpenCode | open source | MIT | Local | ★ 194k | GitHub Copilot vs OpenCode → |
| Zed | open source | GPL-3.0+ | Local or hosted | ★ 88k | GitHub Copilot vs Zed → |
| Cline | open source | Apache-2.0 | Local | ★ 66k | GitHub Copilot vs Cline → |
| Tabby | open source | Apache-2.0 | Self-host | ★ 34k | GitHub Copilot vs Tabby → |
| Kilo Code | open source | — | — | ★ 27k | GitHub Copilot vs Kilo Code → |
The picks
5 open source · ranked by fit
- 01
OpenCode
open sourceMITLocal194kaug 2026A fast local coding agent with no loyalty to any model vendor.
The catch vs GitHub CopilotIt is agent-first and lacks Copilot's equally seamless inline completions and integration across GitHub and existing editors.
Install, platforms & data +
- platforms
- desktopclione-click install
- install
- Install with the shell script, Homebrew, npm or Bun; a desktop app is also available
- setup
- Configure a provider credential or local model unless using a separately billed OpenCode model service
- engines
- A broad provider catalog covering hosted, OpenAI-compatible and local model endpoints, including optional OpenCode Zen or Go services
- your data
- Project files remain local; configuration, sessions and snapshot metadata are local, and a session is uploaded only when the user explicitly shares it, while prompts go to the chosen provider
- checked
- 2026-08-10
- 02
Zed
open sourceGPL-3.0+Local or hosted88kaug 2026A fast open editor with completions, chat and agents built in; model usage is separate.
The catch vs GitHub CopilotIt requires switching editors, while model usage is separate and Copilot works across more existing editors and GitHub surfaces.
Install, platforms & data +
- platforms
- desktopone-click install
- install
- Install the native app from Zed or an operating-system package manager on macOS, Linux or Windows
- setup
- None for the editor itself; AI requires a Zed account, provider key, local model, or external agent
- engines
- Zed-hosted models, bring-your-own-key providers, local Ollama, LM Studio or llama.cpp models, and ACP-compatible coding agents
- your data
- Project files stay on the local or SSH-accessed machine and app state is local; hosted or BYOK prompts go to the selected provider, while collaboration state uses Zed's cloud
- checked
- 2026-08-10
- 03
Cline
open sourceApache-2.0Local66kaug 2026A code agent in your editor; the model bill is still yours.
The catch vs GitHub CopilotIt is agent-first and separately model-billed, with weaker low-latency inline completions and GitHub-native integration than Copilot.
Install, platforms & data +
- platforms
- desktopcliextensionone-click install
- install
- Install from the VS Code or JetBrains marketplace, or install the Cline CLI
- setup
- Sign in to Cline or configure a provider API key or local model
- engines
- Cline account models or bring-your-own-key providers including Anthropic, OpenAI, Gemini, Azure, Bedrock, Vertex and OpenRouter, plus local Ollama and LM Studio models
- your data
- Repository edits stay in the local workspace; extension/session settings are local, while selected workspace context and prompts go to the chosen model provider
- checked
- 2026-08-10
- 04
Tabby
open sourceApache-2.0Self-host34kjun 2026Copilot-shaped completions and chat, paid for with your own GPU instead of a seat.
The catch vs GitHub CopilotCompletion quality and latency depend on the chosen model and hardware, and the GitHub and editor experience is less turnkey than Copilot.
Install, platforms & data +
- platforms
- self-hostedextensiondocker to self-host
- install
- Run the server from Docker or a standalone binary, then connect an editor extension
- setup
- Download and size suitable models, provide enough GPU or RAM, start the server, and configure each editor client
- engines
- Local llama.cpp-backed completion, chat and embedding models or separately configured remote HTTP model endpoints
- your data
- Models, configuration, logs, indexed source and Tabby's database live under TABBY_ROOT, which defaults to the user's .tabby directory
- checked
- 2026-08-10
- 05
Kilo Code
open source27kaug 2026One open agent across VS Code, JetBrains and the terminal; inference still has a meter somewhere.
Install, platforms & data +
- platforms
- desktopcliextensionone-click install
Frequently Asked Questions
Direct answers · GitHub Copilot open-source replacements
What is the best free alternative to GitHub Copilot?+
The top free alternative to GitHub Copilot is OpenCode (open source, MIT). A fast local coding agent with no loyalty to any model vendor. Other popular GitHub Copilot replacements include Zed, Cline, Tabby.
Can I self-host a free replacement for GitHub Copilot?+
Yes. Of the 5 free alternatives to GitHub Copilot, 2 can be self-hosted on your own server or local machine: Zed (GPL-3.0+), Tabby (Apache-2.0).
How much does switching from GitHub Copilot to a free alternative save?+
GitHub Copilot starts at $10/month per seat ($120/year). Switching a 5-person team to a free alternative like OpenCode saves $600 per year in software subscription fees.
Should I vibe-code or build my own GitHub Copilot clone from scratch?+
Our build verdict for GitHub Copilot is KINDA (the core, yes. the polish, no). You can use open-source editor agents and local/API models, but Copilot's value is editor integration, model routing, GitHub context, completions, and managed usage.
What is the catch when switching from GitHub Copilot to OpenCode?+
It is agent-first and lacks Copilot's equally seamless inline completions and integration across GitHub and existing editors.
