AI tool directory

Semantic Scholar

Productivity

A free AI-assisted scholarly search service from Ai2, combining paper discovery, citation connections, personal research organization and reading assistance on supported papers.

Consensus

Productivity

An AI academic search engine that connects answers to research papers, with paper search, evidence summaries and deeper review features under free and paid usage limits.

ResearchRabbit

Productivity

A literature-discovery tool that uses seed papers, recommendations and visual citation networks to help researchers explore related work and organize collections, with an ongoing free tier.

Elicit

Productivity

An AI research assistant for finding papers, organizing evidence and extracting information into reviewable tables, with a free Basic plan and paid advanced workflows.

Metaso

Productivity

A Chinese AI search and research workspace that organizes answers around sources, with multiple search scopes and daily free credits subject to current service rules.

PaddleOCR

Productivity

A free developer toolkit for reading text from images and PDFs, parsing document layouts and producing structured data for search, knowledge bases and automation.

RAGFlow

Productivity

A free self-hosted RAG platform that parses documents, makes retrieval inspectable and connects source-backed information to AI chat and applications.

Gamma

Productivity

Turn an outline or source document into a visual presentation, refine it collaboratively, and deliver it as a link or exported file.

n8n

Productivity

Connect apps, data and AI into inspectable workflows, on managed Cloud or your own infrastructure.

Coze

Productivity

Build a shared AI workspace, turn repeatable tasks into skills, and develop agents or applications with China’s Coze service.

Gemini Notebook (formerly NotebookLM)

Productivity

Turn documents, webpages and supported media into cited answers, briefings and study material.

WorkBuddy

Productivity

Tencent's AI workspace for turning office tasks into reports, spreadsheets, presentations and other deliverables.