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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.

DeepSeek

general

Open-weight LLMs including a 671B MoE model that matches GPT-4o at far lower API cost

Free 77 · 62,183 votes

SlidesAI

general

Create slides from text instantly

Free From $10 44 · 42,409 votes

Type.ai

general

Long-form writing editor for storytellers

Free 40 · 14,725 votes

Deepmotion

general

Convert video to 3D animation instantly

Free 39 · 12,559 votes

Image to Text (Extract Text From Image)

general

Extract text from images with OCR

Free 39 · 11,818 votes

Postcrest

general

Create and schedule AI photos, videos, and voiceovers

Free 37 · 38,946 votes

AIdeaFlow AI Podcast Generator

general

Text-to-podcast tool with 120+ AI voices and natural conversations in multiple languages

Free 36 · 25,384 votes

AI Humanizer.com

general

Rewrite AI text to bypass detection

Free 36 · 22,780 votes

BypassGPT.co

general

Humanize AI text to bypass detection

Free 35 · 17,477 votes

BityClips

general

Directory of AI video creation tools with workflows

Free 35 · 12,189 votes

TwainGPT

general

Convert AI-generated text to human-sounding writing

Free 34 · 2,468 votes

PDF To Brainrot AI

general

Convert PDFs into TikTok-style study videos

Free 33 · 5,671 votes

Image to Text Converter (Check 50 images at once)

general

Extract text from images, documents, and screenshots

Free 32 · 57,771 votes

AI Emoji Generator

general

Create custom emojis with AI

Free 31 · 39,711 votes

Wispr Flow

general

Voice-to-text dictation and transcription

Free 31 · 36,904 votes

Text2Note

general

Extract summaries and key points from text

Free 30 · 22,484 votes

Translate.Photo

general

Create, translate, and resize on-brand images in 130+ languages

Free 30 · 22,235 votes

craftui.studio

general

Information resource for craftui

Free 30 · 17,732 votes

Textfix AI

general

Humanize AI writing to sound natural

Free 29 · 15,512 votes

Brightroom AI

general

AI photo studio that creates professional product photos from simple images

Free 29 · 502 votes

Handwriting OCR

general

Convert handwritten documents to digital text

Free 29 · 9,663 votes

makeaudio.app

general

Text-to-audio conversion with multiple languages and voice options

Free 27 · 5,131 votes

Flux Video AI

general

Text-to-video and image-to-video AI

Free 27 · 3,848 votes

Vectify

general

Convert text prompts into scalable vector designs and illustrations

Free 25 · 1,459 votes

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.