Mellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.
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opencode AlternativesOnly apps from the EU
The best alternative to opencode is Mellum, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to opencode and 12 are so hopefully you can find a suitable replacement. Other interesting alternatives to opencode are Gram, Mistral Vibe for Code, JetBrains Junie and JetBrains AI Assistant.
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opencode alternatives are mainly AI Coding Assistants, but if you're looking for IDEs or Code Editors you can filter on that. Other popular filters include Free and Open Source. 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 opencode.
Alternatives list
- 100 Mellum alternatives
Gram is a powerful and modern source code editor. It features solid performance and is highly configurable, yet comes with batteries included out of the box. Gram supports many popular programming languages and file formats, and can use Zed extensions to support additional...
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Linux
- Gentoo
- Homebrew
- Windows
94 Mistral Vibe for Code alternativesLightning-fast completions, deep code understanding, and agentic software engineering—right where you work.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Python
+4
You think it, Junie helps make it happen – right in your IDE. Available on IntelliJ IDEA, PyCharm, WebStorm and .
+5
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
defract is a local-first desktop app that orchestrates parallel Claude Code agents through a full development lifecycle — story, design, architecture, review, ship.
+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
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
Application type
Platforms
- Online
- Software as a Service (SaaS)
+2
5 Hivekeep alternativesHivekeep runs a team of specialized personal AI agents on your own server. Each agent has its own identity, expertise, memory and tools. Agents collaborate with each other, remember everything across months in one continuous session, and extend the platform themselves by writing...
+9
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
+1
AICode is a VS Code extension that helps software developers maintain large, complex enterprise software using AI.
Cost / License
- Freemium
- Proprietary
Platforms
- Visual Studio Code
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