Filters
Free tier
API
Open source
Platform

Chat Open Source AI Tool 44

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.

BCalendar

General

Shared calendar that works without login or apps

Free 37 · 35,227 votes

Chatmate AI

General

Chat with AI characters with simulated lives

Free 36 · 31,387 votes

Pixlyze

General

AI image analysis for content classification

Free 36 · 30,299 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

Space of mind

General

Behavioral training through guided voice calls

Free 36 · 25,115 votes

Private LLM

General

Local AI chat on iPhone, iPad, and Mac

Free 36 · 24,592 votes

Tabirim

General

AI dream interpretation in Turkish

Free 36 · 24,193 votes

Semafind

General

Build custom algorithms for data and AI solutions

Free 36 · 21,781 votes

Helio.AI

General

Automate candidate screening with gamified personality tests

Free 36 · 21,441 votes

Ongkanon

General

AI companion for conversation and support

Free 35 · 19,132 votes

Humy.ai

General

Interview historical figures in your classroom

Free 35 · 18,478 votes

Autoreviews AI

General

Automatically responds to customer reviews across platforms

Free 35 · 14,744 votes

Botify AI

General

Chat with AI characters including celebrities and historical figures

Free 35 · 1,241 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

Pastors.ai

General

Repurpose sermons into multiple content formats automatically

Free 34 · 11,028 votes

AllChat

General

AI assistant for writing, coding, and analysis

Free 33 · 5,426 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.