jcode vs Proliferate

A side-by-side comparison of features, pricing, and characteristics.

jcode

Open-source Rust terminal coding agent for parallel AI-assisted development, memory, swarms, MCP tools, and remote sessions.

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Proliferate

Keystone is an autonomous engineering platform that provides a unified workspace for coding agents, engineers, and operators.

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AttributejcodeProliferate
Pricing typeFree + paid (from $10/mo)Free + paid
Korean supportNoNo
PlatformsmacOS, Linux, Windows 11, Termux, Remote servers, WebSocket thin clientsWeb
Open sourceNoYes
API available--
SDK--
LLM-based--
Multimodal--
AI modelClaude, OpenAI, Google Gemini, GitHub Copilot, Ollama-compatible models, LM Studio-compatible models, OpenAI-compatible models-
GitHub Stars19.2K130
VendorSolo SystemsProliferate (fka Keystone)
CategoryDeveloper ToolsDeveloper Tools
DetailsView View

jcode key features

  • Running parallel agent swarms
  • Semantic-based long-term memory
  • MCP tool integration
  • Background tasks and automatic retries
  • Remote sessions and server-client architecture
  • Various model providers and OAuth login

Proliferate key features

  • Cloud sandboxes mirroring production infrastructure
  • Automatic event response from integrated tools
  • End-to-end autonomous workflow execution