Filters Clear all
Free tier
API
Open source
Platform

Chat Open Source AI Tool 11

This is the full catalog of AI tools on Listof.Best, covering more than 9,000 products across every major category. The collection spans generative models, productivity assistants, code tools, business software, audio and video editors, data platforms, and much more. Whatever the task, there is likely an AI tool here built for it.

crushon-ai

General

Unfiltered AI character chat with support for NSFW roleplay and emotional scenarios

Free From $4.9 54 · 18,330 votes

Lotus

General

Free AI-powered mental health support with no login required

Free 38 · 58,556 votes

Private Site

General

AI interview prep for consulting candidates

Free 38 · 57,418 votes

Porosheets

General

Auto-generate worksheets for math, science, and ELA

Free 37 · 41,975 votes

ChatGPT for Outlook

General

Run ChatGPT in Outlook

Free 36 · 28,783 votes

Gnbly

General

AI automation for behind-the-scenes work

Free 36 · 26,972 votes

Diyva

General

No-code voice and text AI agents

Free 36 · 25,966 votes

FixMeBot

General

Text correction and paraphrasing

Free 36 · 25,890 votes

Helio.AI

General

Automate candidate screening with gamified personality tests

Free 36 · 21,441 votes

Hello Literature

General

Generate realistic dialogue between literary characters

Free 35 · 14,325 votes

Cold Pitch

General

Domain sale

Free 35 · 11,521 votes

AI tools are now available for nearly every professional workflow, from writing and design to finance, legal work, and scientific research. The challenge is no longer finding a tool but identifying which one fits your specific context. Factors that consistently matter across categories include: data privacy and where your inputs are processed, the quality of the underlying model and how recently it was updated, integration with the software you already use, and the total cost at your expected usage volume. Free tiers are common but often limited in output length, generation count, or features. It is worth testing two or three competing tools with your actual work rather than relying solely on marketing claims. The catalog here is filtered by category, use case, and pricing model to make that comparison easier.