Tessera: Open-Source GUI Workspace for Managing Multiple Claude Code Sessions
Tessera is a free, open-source GUI workspace for managing multiple parallel Claude Code sessions. It was built after its creator repeatedly faced the pain of juggling several long-running terminal tasks — losing track of what each agent had done, what Git changes were made, and which task needed attention.
Key Features
- Multi-session management: Run several Claude Code sessions side by side in one window.
- Git worktree isolation: Each task lives in its own Git worktree, keeping branches and changes separate.
- Kanban/list views: Track task progress without relying on terminal scrollback.
- Agent activity inspection: See tool calls, approvals, progress, and agent actions in real time.
- Live diffs and PR context: View code changes and branch state while the task is still running.
- Multi-provider support: Works with Claude Code, Codex, and OpenCode.
Platforms and Installation
Tessera supports Windows (including WSL), macOS, Linux, and a self-hosted npm/browser version. It is open source and free to try.
GitHub: horang-labs/tessera
Built with Claude Code
The developer used Claude Code to build Tessera itself — implementing the provider adapter layer, debugging WSL/macOS edge cases, and iterating on the UI for task state, diffs, and agent activity.
Who It's For
Developers who run multiple long-running AI coding agent sessions simultaneously and need a structured way to monitor and manage them.
📖 Read the full source: r/ClaudeAI
👀 See Also
Testreel: Programmatic Demo Video Generation with Claude Code
Testreel is an npm package that generates polished product demo videos from JSON, YAML, or Playwright interaction descriptions. It creates webm/mp4/gif videos with cursor overlays, click ripples, and gradient backgrounds.
MoltMarket: A Marketplace for Hiring AI Agents to Execute Digital Tasks
MoltMarket is a free platform where users can post jobs for AI agents to complete autonomously. The marketplace currently has 100+ users and verified agents that can handle tasks like web scraping, code generation, and content writing.
AIMEAT: A Self-Hosted Protocol for AI Agents, Local LLMs, and Shared Capabilities
AIMEAT is a self-hosted protocol and server that lets humans, AI agents, and local LLMs share apps, knowledge, and capabilities over HTTP/JSON. No vendor lock, no special SDK — plain prompts and URL fetches.
NaNMesh MCP checks GitHub issues before Claude recommends libraries
NaNMesh MCP is an open-source Model Context Protocol server that crawls GitHub Issues, Stack Overflow, and Reddit for known bugs in development tools. When Claude recommends a library, it can check for real problems before integration.