Open Source #cli Projects

Local-first antivirus for AI agents that blocks risky commands, secret access, prompt injection, malicious packages, and MCP threats at runtime.

Native, local-first desktop workspace for running Claude Code, Codex, Cursor and other AI agents side by side in tiled panes.

A beautiful terminal email client built with Go and Bubble Tea. An open source alternative to Superhuman and Outlook for the command line.

Markdown-based presentation slides for developers, with code highlighting, Vue components, theming, and PDF/PPTX export.

Run and test HTTP requests with plain text — a simple yet powerful command-line tool for API testing.

Open source network backup and recovery for mixed IT environments with disk, tape, and S3 storage, a web UI, and multi-OS clients.

Terminal-based stock, crypto, and derivatives watcher for live quotes and portfolio positions.

An open-source dictionary file format and toolchain with instant offline lookups, full-text search, and APIs for Rust, Python, and JavaScript.

An open-source terminal-native AI coding agent with cross-session memory, multiple agents, and support for any LLM provider.

Privacy-focused, command-line bookmark manager that stores links in a local encrypted SQLite database with full-text search.

Open-source terminal coding agent with IDE intelligence — LSP renames, live debugging, and 60+ AI providers under an MIT license.

NVIDIA's open-source runtime that runs AI agents in kernel-isolated sandboxes with policy-enforced file, network, and credential access.

Developer-first, open-source translation management with CLI file sync, a collaborative editor, and a GraphQL API.

Open source AI gateway and router that exposes hosted, BYOK, local, and custom models through one OpenAI-compatible API.

Local-first project management for developers and AI agents, with a CLI, web UI, SQLite backend, and native skills for Claude Code, Cursor, Codex, and more.

Open-source AI pentest agents that run real attacks to find, validate, and fix vulnerabilities in your apps.

Open-source platform for fine-tuning and running LLMs locally — 2x faster training with 70% less VRAM. Supports LoRA, QLoRA, DPO, GRPO.

Open-source Bloomberg-style finance terminal built in C++20/Qt6 with embedded Python, AI agents, and 100+ data connectors.

Simple golang utility helping to discover large files and folders.

Deep clean and optimize your Mac with this all-in-one CLI toolkit.

Terminal-based stock market visualizer that displays real-time stock graphs directly in your terminal.

Cross-platform FFmpeg GUI for lossless video and audio cutting, merging and remuxing — no re-encoding, no quality loss.

High-performance server-based backup system that pools identical files across machines, with a web UI and no client-side software to install.

Lightweight client/server network backup and restore tool with librsync deduplication, TLS client authentication, and Windows and Unix clients.

Design, test and document APIs in plain Markdown with a git-native, offline-first approach.