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Best JetBrains Mellum2 Alternatives

146 agents you can use instead of JetBrains Mellum2. Ranked by popularity, tag overlap, and public GitHub signals when available.

coding-agentopen-sourceself-hostedevaluationclaude-codecursor
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JetBrains Mellum2

Reference

12B parameter coding model with dedicated thinking mode for IDE integration

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Top Alternatives to JetBrains Mellum2

C

Cherry Studio

Open-source AI productivity studio with 300+ assistants and autonomous agent capabilities

OSSFree
CherryHQ
4 shared tags
S

Socratic-SWE

Self-improving coding agent that learns from its execution traces to evolve continuously

OSSFree
Research Team
4 shared tags
O

OpenHands

Open-source AI software agent platform, formerly OpenDevin

OSSFree
All Hands AI
84.8Ktoday459
3 shared tags
A

AgenticSeek

Fully local autonomous AI agent with zero API costs, powered by DeepSeek-R1

OSSFree
Fosowl
3 shared tags
A

AgentSeek

Fully local autonomous AI agent with web browsing, coding, and voice assistance

OSSFree
Fosowl
3 shared tags
A

Antares

Lightweight security-focused terminal agent for vulnerability detection and code analysis

OSSFree
Foundation AI
3 shared tags
A

Anything LLM

Local-first AI platform with multi-modal agents, RAG, and no-code interface

OSSFree
Mintplex Labs
3 shared tags
B

BTL-4

Open-source agentic coding model based on Qwen3.5 MoE for autonomous development workflows

OSSFree
Bad Theory Labs
3 shared tags
C

Career Ops

AI-powered job search automation with 14 specialized modes for resumes and applications

OSSFree
Santifer
3 shared tags
C

Code-Augur

Autonomous LLM agent for security vulnerability detection through specification inference

OSSFree
Research Team (Luo et al.)
3 shared tags
E

EvoKernel

Self-evolving framework for NPU kernel synthesis without fine-tuning or large datasets

OSSFree
Research
3 shared tags
H

Hermes Agent

Autonomous AI agent with adaptive learning capabilities and Claude Code integration

OSSFree
Nous Research
3 shared tags