Letterly App
generalVoice-to-text transcription for notes and messages
general 369
General LLM tools include frameworks, APIs, evaluation utilities, and infrastructure specifically built around large language models. This category covers 369 tools that help developers build, test, fine-tune, and run applications on top of LLMs, from embedding calculators to full model-serving platforms.
Formula Bot
generalGenerate Excel formulas and analyze spreadsheets without coding
Type.ai
generalLong-form writing editor for storytellers
Supermeme.ai
generalTurn text into memes with AI
CoeFont Interpreter
generalReal-time speech translation with AI voices
Tiptap
generalOpen-source rich text editor framework with extensions
Meilisearch
generalFast, open-source search and AI retrieval engine
Deepmotion
generalConvert video to 3D animation instantly
Image to Text (Extract Text From Image)
generalExtract text from images with OCR
Twelve Labs
generalSearch and analyze video with AI
Friends & Fables
generalText-based RPG with AI dungeon master and world-building tools
Realistic AI Voices
generalFree AI sound effect generator from text
Opera Neon. This browser is built to act.
generalBrowser with agentic AI that takes actions on your behalf
Audioread.com
generalListen to articles and PDFs
RankWizard
generalSEO-optimized blog posts from real data
AI Text Generator Free
generalGenerate unique text for blogs, marketing, and writing projects
LensAI advertising I Efficient monetization web traffic I Context advertising
generalAI-powered ad creation with optimization for conversions
AI CSS Animations
generalCreate CSS animations using AI descriptions
RegexMy
generalAI regex generator and tester
Orchard
generalAI assistant with web search and file integration
Bramework
generalWrite SEO-optimized blog content with ease
Read It
generalSummarize articles, PDFs, and videos instantly
Postwise
generalWrite and schedule posts for Twitter, LinkedIn, and Threads
ShortGen Video
generalGenerate short videos from text prompts
This is a technically focused category aimed primarily at developers and ML engineers. Tools like Cognee and UpTrain address retrieval-augmented generation (RAG) pipelines and model evaluation, while platforms like Dstack and PeriFlow handle compute infrastructure for training and inference. Embedding Similarity Calculator and similar utilities fill narrow but useful gaps in LLM development workflows. OpenAssistant and Cerebras-GPT represent open-source or open-weight models that developers can run or fine-tune directly. When comparing options, consider whether a tool is model-agnostic or tied to a specific provider, and whether it supports the models you are already using. Latency, throughput, and cost-per-token are the metrics that matter most for production workloads. Evaluation tools are often underinvested in early projects but become critical once you are shipping to users. Many tools here are open source with paid managed versions, while others are closed SaaS products with usage-based pricing.