Developer Tools AI Tools

An open-source CLI for testing LLM prompts across consistency, latency, cost, and behavior, with HTML reports and support for OpenAI and Anthropic.

An open-source memory governance layer for AI agents. It adds deduplication, conflict detection, decay, archival, and explainable retrieval so agent memory can be managed with more control than passive storage.

ArcNext is an Electron-based terminal emulator built for AI-assisted coding workflows, with Arc-style workspaces, split panes, an integrated browser, and an agent bridge for controlling browser panes from a terminal session.

A framework-agnostic checkpointing tool that helps AI agents resume work after context loss or session death. It saves goals, constraints, decisions, touched files, and token usage, then rebuilds a structured resume prompt for continuation.

Open-source tool for visualizing and analyzing AI agent sessions, with personalization tips, dashboard analytics, and support for multiple coding agents.

Nimbalyst is a visual workspace for building with Codex, Claude Code, and other coding agents. It combines collaborative editors, session management, task tracking, git/worktree tools, and a mobile app for managing agent work on the go.

oruk is a live broadcast intelligence API for real-time news. It offers REST endpoints, SSE streaming, webhooks, and an MCP server for use in AI apps and developer workflows.

An AI model gateway for builders offering 35+ models through a single OpenAI-compatible API, with instant API key delivery and pay-as-you-go credits starting at €1.

Search2o is an agent server and runtime for building, discovering, and running AI microagents through search. The page shows discovery, multi-agent conversations, managed state, enterprise controls, and source-available deployment options.

An agent skill for coding assistants that helps them produce more deliberate page design instead of generic layouts. It includes install commands, example outputs, supported tools, and a concrete workflow for planning, reviewing, and refining UI.

Hob is an open-source desktop AI assistant that runs locally on Mac, Windows, and Linux. It positions itself as a private, offline alternative to ChatGPT and Claude, with support for open-weight models like Gemma and gpt-oss.

Tomte is a Go toolkit for building small, single-purpose AI agents that run on a schedule or on demand. The page shows deployment, runtime limits, example code, and a concrete invoice-chasing use case.

A finite volume solver for the 1D Saint-Venant (shallow water) system with topography, using a kinetic scheme with reflections and a comparison Rusanov scheme.

Forked is an open-source system for agent state management, designed to fork, rewind, replay, and persist AI agent state with effectively-once side effects. It includes a Rust core, a self-hosted server, cloud deployment, a TypeScript SDK, LangGraph support, and an MCP server.

Open-source terminal coding agent in a single native binary, with steerable subagents, token-saving output filters, a workbench, file revert tools, and support for multiple providers or local models.

Skillstore is a searchable skills library for Claude Code and Codex that delivers task-specific instructions and supporting files through MCP. It also lets teams create, share, and improve their own methods with feedback.

SpecWeave is a CLI and workflow system for spec-first AI development. It turns a feature request into specs, tasks, and acceptance criteria, then supports handoffs between Claude Code, Codex, Grok, and other agents while syncing progress to GitHub or Jira.

Open-source agent skills for Claude Code, Cursor, Codex and other coding agents that audit SaaS stacks, compare vendors, and surface plan-limit, billing, overlap, and compliance issues using live vendor pricing pages.

Local-first Node tool that reads Claude Code and Codex logs to price AI coding-agent usage by repo, model, or client. It also supports billing markups, JSON output, and an MCP server for asking agents what their work cost.

VoiceGremlin is a CI/CD testing tool for AI voice agents that places real phone calls, evaluates results through an API, and returns pass/fail outcomes with transcripts.

An open source headless SaaS backend built for agents and assistants, with records, files, accounts, permissions, notifications, and audit logs accessible through MCP, CLI, or API.

Pinrail is a desktop app that lets coding agents pause for human review before taking action. It supports structured decisions, works with several agent tools, and includes plugin-based review views for code, lists, feedback, markdown, and images.

Self-hosted AI coding agent platform for GitLab built with LangGraph. It reviews merge requests, resolves issues or tasks, and offers a GitLab-aware chat assistant with persistent project context.

Portus is a Rust-based API and AI gateway for Kubernetes that handles HTTP, LLM, and MCP traffic on one data plane. The page shows Gateway API conformance, performance benchmarks, AI key and budget controls, and MCP routing examples.