Mellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.
Czechia
EU
Mellum vs GitHub Copilot Comments
- Mellum is Free and Open Source
GitHub Copilot AlternativesOnly apps from the EU
The best alternative to GitHub Copilot 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 so hopefully you can find a suitable replacement. Other interesting alternatives to GitHub Copilot are Mistral Code, JetBrains Junie, Hostinger Horizons and Frontman-Agent.
Alternatives list
- 83 Mellum alternatives
Lightning-fast completions, deep code understanding, and agentic software engineering—right where you work.
+4
44 JetBrains Junie alternativesYou think it, Junie helps make it happen – right in your IDE. Available on IntelliJ IDEA, PyCharm, WebStorm and .
+5
AI-driven no-code platform to create full-stack web apps quickly, featuring instant one-click deployment, integrated hosting, domain tools, professional email, real-time editing, version control, and rapid live publishing with a streamlined three-step process.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
+2
Frontman is an AI Agent that lives in your browser, sees your live DOM, and turns your visual feedback into real changes - no more refresh-and-check cycles.
Cost / License
- Paid
- Open Source
Platforms
- Online
- Next.js
- Wordpress
With JetBrains AI, your favorite tools gain new abilities while you are empowered with more information at your fingertips.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- JetBrains Rider
- CLion
- IntelliJ IDEA
- Pycharm
- PhpStorm
- RubyMine
- WebStorm
- ReSharper
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
CatDoes is your AI-powered app development partner that turns conversations into production-ready mobile apps. Just describe what you want, AI agents will handle the rest.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
Get high-quality feedback on every Pull Request. Only pay for developers who actively ship code — unlimited reviews, no per-seat waste.
dbForge AI Assistant is the intelligent SQL AI generator that turns natural language into complex queries, assists in code optimization and troubleshooting, and simplifies database management and SQL coding through conversational experience.
Cost / License
- Paid
- Proprietary
Platforms
- Windows
- Mac
- Linux
ShaggAi is a local-first AI automation and autocomplete platform that turns natural language into real actions on your PC and adds Copilot-style “ghost text” to almost any editor.
Cost / License
- Freemium
- Proprietary
Platforms
- Windows
- Linux
+2
France
Lithuania
Germany
Spain
Netherlands
Mellum is a language model, Copilot is a CLI and AI service