4 Best Open-Source Alternatives to GitHub Copilot (2026)

Last checked October 2026 · 10 alternatives to GitHub Copilot in our catalog

GitHub Copilot paid plans start at $10/mo, which is why people look for an open-source alternative. Below are 4 open-source options you can inspect, modify and often self-host - 1 is completely free, 2 run on Linux and 2 work in the browser.

Quick picks

No paid tier at all

Aider

Works in the browser

Chatwoot

Picked from listing data (price model, license, platforms, community votes), not hands-on testing.

GitHub Copilot alternatives compared

Alternative	Price	Open source	Platforms	What it is
Aider	Free	Yes	Windows, Mac, Linux	An open-source AI pair programmer for your terminal, compatible with Claude, GPT, and local LLMs.
Chatwoot	Freemium	Yes	Web	Open source omnichannel customer support platform with AI
jcode	Freemium	Yes (MIT)	Linux, macOS, BSD	Open-source terminal AI coding agent built for parallel workflows and resource efficiency.
JeecgBoot	Freemium	Yes (Apache-2.0)	Web	Enterprise-level AI low-code platform

Aider

FreeOpen sourceWindowsMacLinux

An open-source AI pair programmer for your terminal, compatible with Claude, GPT, and local LLMs.

Fully open source and free to run
Works with almost any LLM provider, avoiding lock-in
Automatic git commits keep a clean history of AI changes

Requires comfort with the terminal/command line
Users must supply and pay for their own LLM API access

Full details GitHub Copilot vs Aider

Chatwoot

FreemiumOpen sourceWeb

Open source omnichannel customer support platform with AI

Free plan includes: Up to 2 agents · Live chat only · 500 conversations/month · 30-day data retention

Genuine free tier for small teams
Open source with a real self-hosting path
Combines many support channels in one inbox

Voice channel requires the pricier Business tier
AI credits are a separate metered add-on cost

Full details GitHub Copilot vs Chatwoot

jcode

FreemiumOpen source · MITLinuxmacOSBSD

Open-source terminal AI coding agent built for parallel workflows and resource efficiency.

Extremely low memory overhead per additional session (~10.4 MB PSS vs ~212.7 MB for Claude Code).
Very fast startup: ~14 ms to first frame and ~48.7 ms to first input.
Built for massive parallelism: dozens of agents can run concurrently.

Benchmark comparisons are self-published by the project and may favor jcode.
Ecosystem, third-party integrations, and community size are likely smaller than more established tools like Claude Code.

Full details GitHub Copilot vs jcode

JeecgBoot

FreemiumOpen source · Apache-2.0Web

Enterprise-level AI low-code platform

Rapid system development with one-sentence generation
AI-powered development with automated repetitive tasks
Enterprise-level features for complex system development

Steep learning curve due to complex features
Limited customization options for certain features

Full details

Frequently asked questions

What is the best free alternative to GitHub Copilot?

Aider is the first free alternative we list for GitHub Copilot and has no paid tier. Others worth a look: Chatwoot, jcode and JeecgBoot. Which one fits depends on what you use GitHub Copilot for, so check the platform and free-plan details for each.

Is there an open-source alternative to GitHub Copilot?

Yes: Aider, Chatwoot, jcode and JeecgBoot. Open-source options can usually be inspected, modified and self-hosted.

Does GitHub Copilot have a free plan?

Yes. The free plan includes 2,000 completions/mo, 50 chat messages/mo and Access to base models. Paid plans start at $10/mo.

How this list is built: alternatives come from our catalog's curated alternative relationships; price model, license and platforms come from each product's listing; order is fully-free first, then community votes.