Mellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.
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Self-Hosted GitHub Copilot Alternatives
GitHub Copilot is not available as a self-hosted solution but there are plenty of alternatives for power users and business that want to host a solution on-premise. The best Self-Hosted alternative is Mellum, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to GitHub Copilot and 11 are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to GitHub Copilot are TabbyML, CodeGeeX, Sweep and Nut Chat.
filter to find the best alternatives
GitHub Copilot alternatives are mainly AI Coding Assistants, but if you're looking for Large Language Model (LLM) Tools or Website Builders you can filter on that. Other popular filters include Open Source and Free. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to GitHub Copilot.
Alternatives list
94 TabbyML alternativesTabby is an open-source, self-hosted AI coding assistant. With Tabby, every team can set up its own LLM-powered code completion server with ease.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
- Visual Studio Code
CodeGeeX is an AI-based coding assistant, which can suggest code in the current or following lines. It is powered by a large-scale multilingual code generation model with 13 billion parameters, pretrained on a large code corpus of more than 20 programming languages.
Cost / License
- Free Personal
- Open Source (Apache-2.0)
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
79 Sweep alternativesSweep is an AI junior developer that turns bugs and feature requests into code changes. Sweep automatically handles devex improvements like adding typehints/improving test coverage. 🤖
Cost / License
- Freemium
- Open Source
Application type
Platforms
- GitHub
- Self-Hosted
- Software as a Service (SaaS)
Open source tool centered on AI-driven full stack app development, Nut generates bug analysis via Replay.io recordings and runtime behavior capturing, offering AI developers explanations for effective resolutions. Early adopters enjoy free access for feedback contributions.
Streamlines AI application development by combining plugin and dataset integration, a unified API, visual orchestration, analytics, annotation tools, prompt engineering support, backend-as-a-service capabilities, and compatibility with multiple modern LLMs.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Online
- Self-Hosted
- Cloudron
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Plandex uses long-running agents to complete tasks that span multiple files and require many steps. It breaks up large tasks into smaller subtasks, then implements each one, continuing until it finishes the job.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Linux
- Windows
- BSD
- FreeBSD
- Self-Hosted
- Docker
21 bolt.diy alternativesbolt.diy, the official open source version of Bolt.new (previously known as oTToDev and bolt.new ANY LLM), which allows you to choose the LLM that you use for each prompt!.
Self-hosted & federated platform for AI IDE/Tools Rules and Commands via WebUI & CLI - Generate, browse, store, share AGENTS.md, CLAUDE.md, and more.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- Software as a Service (SaaS)
- Docker
49 OpenGravity alternativesAn experimental, lightweight, BYOK (Bring Your Own Key) recreation of the Google Antigravity UI. OpenGravity provides a browser-based, reasoning-enabled IDE with a live xterm.js terminal powered by the WebContainer API.
A new family of code large language models (LLMs) designed to advance autonomous software engineering and code intelligence.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Self-Hosted
- Python
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Mellum is a language model, Copilot is a CLI and AI service