All AI tools

919 tools

PyTorch Lightning

Fine-tuning · Framework-agnostic — trains any PyTorch model (transformers, CNNs, diffusion, RL nets, etc.)

The deep learning framework for professional AI researchers and ML engineers

Free· Free and open source (Apache 2.0). Optional paid compute available via the Lightning AI Studio platform.Multi-GPU LLM fine-tuningComputer vision model training

Qdrant MCP Server

MCP Servers · FastEmbed (default: sentence-transformers/all-MiniLM-L6-v2); pairs with any MCP-capable LLM such as Claude 3.5/4, GPT-4o, or local models

Official Qdrant MCP server that turns a vector database into a semantic memory layer for Claude, Cursor, Windsurf, and any MCP client.

Free· Free and open source (Apache-2.0). Qdrant itself can be self-hosted for free or used via Qdrant Cloud (free tier available, paid plans from ~$25/mo for managed clusters).Persistent memory for Claude Desktop agentsSemantic code snippet search in Cursor and Windsurf

QuantProbe

Evaluation

Physics-based calculator that predicts LLM decode speed, memory fit, and quantization quality on any hardware.

Free· Free and open source; install with `pip install quantprobe` or use the hosted web calculator.GPU and workstation sizing for local LLM inferenceQuantization tier selection (Q4/Q5/Q8) under a latency budget

Reddit MCP (adhikasp/mcp-reddit)

MCP Servers

MCP server that lets Claude and other LLM clients fetch and analyse Reddit threads

Free· Free and open source (MIT). No paid tier. You run it locally; Reddit's public JSON endpoints are hit unauthenticated, subject to Reddit rate limits.Subreddit hot-thread summarisationCommunity sentiment monitoring

Redis MCP Server

MCP Servers

Archived reference MCP server exposing basic Redis set/get/delete/list to any MCP-capable LLM client.

Free· Free and open source (MIT). Self-hosted; you supply your own Redis instance.Agent short-term memorySession state for chat agents

Reducto

RAG · In-house vision models combined with frontier LLMs (specific vendors undisclosed)

Enterprise-grade document parsing and extraction with citation-grounded structured output

Freemium· Standard: $19 · Growth: $49 · Enterprise: Contact salesRAG ingestion of complex PDFsContract field extraction

Relevance AI

Agents · Multi-model: Claude (Opus/Sonnet/Haiku), OpenAI GPT, Google Gemini, plus open-weight options (Kimi K2, GLM)

Build and deploy an AI workforce of specialized agents across your business tools

Enterprise· Free trial available via the app. Paid tiers are quote-based (Enterprise): custom actions, unlimited agents/tools/users, dedicated account manager. Reported customer benchmarks cite an average cost of ~$0.09 per task at scale; no fixed public tier pricing.Outbound prospect research and personalisationMeeting prep and CRM hygiene

Retell AI

Audio · LLM-agnostic (OpenAI, Anthropic, Google and others selectable per agent); proprietary turn-taking model and voice pipeline in-house

Build, test and deploy production-grade AI voice agents for inbound and outbound calls.

Freemium· Pay-as-you-go: $0.07-$0.31/minute · Enterprise: Custom PricingAI inbound call answeringOutbound lead qualification

Reve Image

Image Generation · Reve Image 1.0 (in-house, formerly codenamed Halfmoon)

4K image model with direct-editing, sketch-to-image and reference-driven generation, built for design pros.

Freemium· Free daily credit allowance on sign-in; paid credit packs and subscription tiers unlocked in-app; API pricing quoted per generation on api.reve.com. Exact tier prices are gated behind the app login.campaign key-art conceptingad creative mock-ups with rendered headline text

Same.new

Coding · Undisclosed premium frontier models (paid tiers)

Prompt-first AI web app builder that turns a URL or description into a live, hosted full-stack app.

Freemium· Free (500K tokens/mo) / Basic $10/mo (2M tokens) / Pro $25/mo (5M tokens) / Max $50/mo (10M tokens) / Ultra $100/mo (20M tokens, $10 per additional 2M overage). Tokens do not roll over.Cloning a reference site's UI as a starting templatePrototyping SaaS onboarding flows

Scalattice

Agents · Open-weight models including Qwen 2.5 Coder, Llama 3.3 70B, DeepSeek R1, Gemma

Pay less for AI, earn from your GPU.

Paid· Per-token pay-as-you-go on prepaid credits. Example rates per 1M tokens: Qwen-2.5-Coder-7B $0.029 in / $0.077 out; Llama-3.3-70B $0.098 in / $0.306 out. No platform fee for GPU providers to connect.Cheap open-model inference behind an OpenAI-compatible SDKAgent loops on Llama 3.3 70B or DeepSeek R1

Scrapling

Agents

Adaptive Python web-scraping framework with a built-in MCP server for AI coding agents.

Free· Free and open source under BSD-3-Clause. Self-hosted Python library with no paid tier or hosted service; users pay only for their own infrastructure, browsers, and any proxies or LLM tokens they choose to plug in.MCP-driven web scraping from Claude DesktopAgent-powered research and browsing

Sentry MCP

MCP Servers · Bring-your-own LLM (OpenAI, Anthropic, Azure OpenAI, or OpenRouter) for natural-language search skills; agent-side model is whatever your MCP client runs.

Official Sentry MCP server: give Claude Code, Cursor, and other AI agents real access to your errors, traces, and triage.

Freemium· Free: $0 USD · Team: $4 USD per user/month · Enterprise: $21 USD per user/monthDebug production error from IDE agentRoot-cause a latency regression via trace lookup

Sequential Thinking MCP Server

MCP Servers

Reference MCP server for structured, revisable step-by-step reasoning in any MCP host.

Free· Free and open-source under the MIT License. No paid tiers; install via npx or Docker at no cost.Multi-step engineering planningProduction debugging walkthroughs

Setoku

RAG · Model-agnostic (MCP); commonly paired with Claude / Claude Code

Open-source MCP knowledge server that makes any AI fluent in your company data

Free· Free / open-source (Apache-2.0). Self-hosting cost only: ~$5-12/mo VPS. No SaaS tier and no per-token inference charges from Setoku itself.MCP knowledge server for Claude CodeRAG over company Postgres

Sharper

Agents

AI office assistant that turns your documents and connected apps into a cited, agentic knowledge base

Freemium· Free tier available via 'Start for free'; paid plans referenced on the pricing page but tier prices load dynamically and were not visible at review time.Cross-source internal knowledge searchCited research briefs

Sierra

Agents · Undisclosed multi-model (frontier LLMs orchestrated behind Sierra's Agent OS)

Conversational AI agents for enterprise customer experience.

Enterprise· Basic: $10 · Pro: $20 · Enterprise: Contact salesEnterprise customer support agentVoice IVR replacement

SillyTavern

Writing · Backend-agnostic — OpenAI, Anthropic Claude, Google Gemini, Mistral, OpenRouter, KoboldAI/KoboldCpp, Text-Generation-WebUI, Tabby, llama.cpp, NovelAI, AI Horde, any OpenAI-compatible endpoint

Locally installed power-user frontend for chatting with LLMs, image models, and TTS backends

Free· Free and open source (AGPL-3.0). Users pay only for whichever backend they connect (OpenAI, Claude, local models via KoboldCpp/Ooba/Tabby, AI Horde, etc.).Character-driven AI roleplayLong-form collaborative fiction

Sim

Agents · Multi-model: OpenAI, Anthropic, Google, DeepSeek, xAI, Cerebras, Groq, Sakana AI

Open-source AI agent workspace — build visually, conversationally, or with code

Freemium· Free: $0 · Pro: $25 · Max: $100 · Enterprise: CustomSales outreach agentsIT ticket triage and resolution

Slack MCP Server

MCP Servers

Archived reference MCP server that lets Claude and other MCP clients read and post in a Slack workspace via a bot token.

Free· Free / open-source (MIT). Requires a Slack workspace and a Slack bot token; Slack itself is free/paid.Channel triage and summarisationAutomated thread digests

so-vits-svc

Audio · SoftVC content encoder + VITS backbone + NSF-HiFiGAN vocoder; optional ContentVec, HuBERT-Soft, Whisper-PPG, WavLM encoders and shallow-diffusion module.

SoftVC VITS Singing Voice Conversion — open-source pipeline for training and running singing-voice models.

Free· Free / open-source (AGPL-3.0). You provide your own compute (typically a CUDA-capable GPU) and training datasets.Singing voice conversion (AI covers)VTuber and virtual-character singing voices

spaCy

Coding · in-house (Cython statistical models); optional transformer backbones (BERT, RoBERTa, Hugging Face)

Industrial-strength natural language processing in Python.

Free· Free and open source (MIT license). Commercial support and consulting available separately via Explosion AI.Named entity recognitionCustom entity training on domain corpora

Spotify MCP

MCP Servers

Model Context Protocol server that hands your LLM the Spotify Web API — playback control, search, queue and playlist management from inside Claude Desktop or any MCP client.

Free· Free / MIT-licensed open source. Requires a free Spotify developer app and a paid Spotify Premium subscription for playback control.Voice-style playback control from Claude DesktopNatural-language playlist building

SQLite MCP Server

MCP Servers

Reference MCP server for querying and analyzing SQLite databases through Claude and other MCP clients.

Free· Free / open source (MIT). No usage fees; runs locally against a SQLite file you control.Ad-hoc SQL exploration of a local SQLite database from Claude DesktopPrototyping agentic business-intelligence workflows