ToolIndex Leaderboard
Every approved tool ranked by the ToolIndex Score: a composite of editorial depth, community signal, web popularity, and recency. How we score.
Rails Baseline
A Rails 8.1 SaaS starter with auth, billing, and teams, documented so coding agents extend it consistently
Why
Free AI exploration tool that turns one question into a branching, source-cited curiosity path
PingChange
Monitor web pages and OpenAPI specs for changes with readable diffs and multi-channel alerts

hRAG
Self-hosted hybrid RAG on a small Hetzner cluster with transparent benchmarks

MLSentinel
Monitor production ML models for drift and regressions with a Python SDK and dashboard
Resterm
Build, inspect, automate, and test API flows from plain request files in the terminal

OpenSpender
A self-custodial USDC wallet that lets AI agents pay for APIs and each other within set allowances

Textlog
Text-only community platform with a free public API for building feeds, bots, and embeds
AliasFleet
Create private email aliases that forward to your inbox and switch off spam sources
SecondState
AI workspace for finance teams to analyze data, trace evidence, and build execution plans
Reply Argus
AI powered App Store and Google Play review replies that learn your brand voice

Cards by Digital Railways
Digital business cards on your own domain with lead capture and analytics

Thread to Self
A private iPhone app that keeps one continuous message thread between you and your future self
Tocic
Firefox extension that adds a table of contents navigator to AI chatbot conversations
Life Compass
A goal, habit, and weekly planning app built around The 7 Habits and a Life Wheel balance score
TDQS
An open scoring standard, CLI, and API that grade how well MCP tool definitions read to agents
Layerz
Design, wire up and run native iPhone apps on your iPhone, iPad or Mac without writing code

BeaverCheck
Free website audit tool with 100+ checks across performance, security, SEO, and accessibility

Tweet Download
Turn tweets and X posts into shareable images and videos without watermarks or signups
USBHawk
Turn any USB flash drive into a physical login key for Windows, plug in to unlock, pull out to lock
Voidleap Code
Desktop IDE for agentic coding with multi-model support and full visibility into AI workflows

DROP
Create a private club with paid memberships, protected posts, and member chat
Orcah Studio
Index and search video libraries on a Mac with local multimodal analysis

TouchNow
Control a Mac from iPhone or iPad with touch, trackpad and game controller modes over an encrypted link

Animaxxing
Agent skills that teach Claude Code, Cursor and Codex to add GSAP animation to your website

Zuse
Desktop workspace for running multiple coding agents across Git repositories simultaneously
MonsterWriter
Academic writing platform that handles citations, cross references, and formatting so you can focus on content

Flostep
Interactive diagramming tool that lets you step through system flows one connection at a time
PantheonGPU
GPU health testing and validation platform for AI infrastructure running NVIDIA or AMD systems

CrunchMyPay
Free browser-based calculators for paychecks, debt, loans, and everyday money

DeepCortex
AI-powered visual development environment for building and deploying agentic workflows

Cloudless Voice
Local voice dictation for Mac and Windows that cleans up your speech on-device, free for individuals
MP3 to MIDI Lab
Turn short piano recordings and song clips into editable MIDI

Lutefish
Hardware device that lets musicians jam together online with sub-35ms latency

Usage Buddy
Track usage and reset times across Codex, Claude Code, and Cursor accounts
StopReg
Validate email risk in real time and block disposable signups through an API

EventSend
Track product events once and route them reliably to every channel your team uses
indextkn
Live list prices for 985 AI models across 17 providers, served through one API, MCP server, and webhooks

Photosynthesis
iPhone camera app that fires two lenses at once and fuses them into one high resolution photo
Typegres
TypeScript framework that lets clients compose SQL queries safely within developer defined boundaries

Toolbay
MIT-licensed agent skill stack for Claude Code plus a curated marketplace for skills and prompts

Sched
On-call rotations that update Slack user groups automatically at every handoff

Ghostfork
Git hosting where the server never sees your code through end-to-end encryption
Makra
Web extraction for AI agents that learns a page layout once and reuses it instead of re-running a model

Taste Brand API
Extract, search, and verify brand systems for design agents and apps

Zerothesis
Multiplayer autoresearch where AI agents work open math and CS problems with verified public results

Word42
A classic desktop word processor built from scratch in C on GTK 4, free under GPL-3.0

Genotype
A small type definition language that compiles to idiomatic TypeScript, Rust and Python

Neurometric
A marketplace of task-specific small language models with flat monthly pricing and a tool-calling model
Forklane
Multiplayer coding environment where AI agents and engineers collaborate in real time

Histiq
Semantic search over your browsing history and PDFs, running entirely inside your browser

PDFidelity
Translate research PDFs while preserving columns, citations, tables, and formulas

BillMender
Check hospital bills for errors and compare charges with public price data
Video Size Reducer
Compress one video to a platform limit or custom target inside the browser

PromptSpend
Compare LLM API costs across models using a real or estimated workload

Coarena
Benchmark arena where computer-use AI agents compete on real browser tasks
Beseen
Tracks whether ChatGPT, Gemini, Perplexity and Claude recommend your business, then shows what to fix
NGPDFs
Fifty plus PDF tools that run entirely in your browser, with no uploads, accounts, or watermarks

LazyPromise
A lazy, cancelable async primitive for TypeScript with typed errors and dependency injection

SupplementDEX
Compare supplement evidence by ingredient, condition, effect size, and study quality
Oleander
Multi-engine data warehouse that routes each query to the cheapest engine that can run it

Colrows
Compiles natural language into governed SQL through a self-maintaining semantic graph

SubCrisp
Track subscriptions, plan renewals, and spot ways to cut recurring spending

dassi
Teach repeatable browser work once and run it again on a schedule

MyHandler
A local-first Windows AI assistant that searches your screen history, drafts replies and takes dictation

VocalCode
Push-to-talk voice dictation for AI coding agents with fully local speech recognition

Froging AI
Generate watermark-free AI videos and images with Kling, Veo, Seedance, and more in one place
Headless Terminal
Puppeteer for terminal UIs, letting agents drive interactive CLI programs

smartly
Turn a plain English request into one context aware shell command and run it

AppScreenshots
Create localized app store screenshots, device mockups, and icons in a browser

Oversold
Compare stock valuations, fundamentals, scenarios, and long-term trends

unSnag
Turn a brain dump into tasks, dependencies, and work that can move now
Fabraix
Adversarial verification for AI agents with open source red-teaming tools

Torsalis
A retirement planner for concentrated positions that runs in one offline HTML file
ScoutLayer
An API, playground and MCP server that pull public contacts and company details from any domain

AutoShade
Develop RAW photographs with editable AI-proposed recipes

Renderfy
REST API that converts HTML, Tailwind, Markdown, and code into PNG, PDF, or WebP

ReDiagram
Replace one flawed element in an AI image while preserving the rest of the composition
Deepmark
Search your bookmarks by what's inside them, not just the title

Tradecraft Academy
Free trading education with graded chart drills and a coached paper trading desk

Anjadhe
Privacy-first AI assistant that runs entirely on your Mac with no account required
Ekselio
Build auditable finance workflows that execute locally and export to verifiable Excel models
Plexus
Hardware observability for monitoring devices, telemetry, and fleets

Flo State
A fast native Markdown editor that keeps every note in plain files
Tidy
A Mac app that names, sorts, and finds your files by reading what's inside them

ReadMyStatement
Upload a bank statement PDF and get categorized spending insights without linking accounts

Silent Fail
Dead man's switch monitoring that emails you when an n8n, Make, or Zapier workflow stops running

Cogni
MCP memory server with entity-graph recall for AI agents and LLMs
Pastecmd
End-to-end encrypted copy and paste between your phone and computer, nothing to install

JarPeek
Open JAR, WAR and CLASS files in the browser and decompile them locally with nothing uploaded

Signed
Portfolio tracking, tax reporting, and deal flow for angel investors in one place
InfiniHash App Store
Focused compliance apps that turn routine controls into audit-ready evidence

Continuum
Equity, tax, and net-worth planning for high earners with heavy stock compensation

SuperOpt
Bring Linux and GNOME keyboard habits to macOS

WeaveScope
Trace, debug, and monitor AI agents built with Elixir and the BEAM

onemcp
One portal endpoint for all your MCP servers, with three meta-tools instead of hundreds

iwrote
Write in the browser and share a verifiable record of how the words were produced

SubTrends
Free subreddit analytics covering 100,000+ communities with 18 years of posting history

XConnect
Manage SSH, RDP, SFTP, tunnels, scripts, and AI terminal work from one app

Red Hat build of Podman Desktop
Red Hat's supported build of the open-source Podman Desktop GUI for containers and Kubernetes
How the score works
The ToolIndex Score is a 0-100 composite of seven organic signals, weighted to surface tools that are both well-documented and actually used.
Read the full methodology