Research and retrieval tools are really about information overload. This collection covers search engines, paper tools, and knowledge management. Two things matter: whether a conclusion traces back to a primary source, and whether it can handle non-English literature.
Tool list
52 toolsGrok HotNew
AI assistant by xAI, real-time web, integrated with X/Twitter, witty style
Microsoft Copilot HotNew
Microsoft AI assistant with Bing search and M365 ecosystem
Skywork HotNew
AI assistant by Kunlun Tech, DeepResearch + search, popular Chinese AI
Quark AI HotNew
AI search and learning tool by Alibaba, top Chinese AI search traffic
Nami AI Search HotNew
Multi-agent AI search by 360, DeepSeek integrated, generates videos/reports/PPTs
Perplexity Comet HotNew
AI-native browser by Perplexity with built-in AI assistant for emails, shopping, and scheduling
Metaso AI HotNew
Chinese AI all-in-one: search, writing, PPT and more
Fireflies.ai HotNew
AI meeting notes platform, auto-transcription, 60+ languages
ima Copilot HotNew
Tencent AI knowledge work partner, fully open since 5/25, Copilot Q&A + knowledge plaza + skill marketplace
Dedao Brain HotNew
Luoji Siwei AI note tool upgraded from Get Notes on 5/29, with AI auto-linking knowledge and discovering blind spots
NotebookLM HotNew
AI research tool by Google, doc Q&A + audio overview, free
Wolfram 15 (Mathematica 15) HotNew
Wolfram computational software, symbolic and numeric computation, visualization, and programming
Artificial Analysis HotNew
Independent third-party AI model benchmarking site; the Intelligence Index weights nine evaluations, and v4.2 raised the private held-out share to 40% to curb leaderboard gaming
GPTZero HotNew
Leading AI content detection, millions of users, accurate AI identification
You.com New
AI search engine, multi-model, privacy-first smart search
Genspark New
Multi-agent AI search workspace, all-in-one AI assistant
Phind New
Developer AI search for coding Q&A and debugging
Scholarcy New
AI paper summary and knowledge extraction for complex literature
Research Rabbit New
AI paper discovery with citation visualization, free
Txyz.ai New
AI research assistant for paper analysis, Q&A and literature
Xinliu New
AI search by Alibaba, smart search and content summarization
Zhihu Zhida New
AI search by Zhihu, quality community content, in-depth answers
Felo New
Free AI search: multilingual real-time Q&A and translation search
Devv New
AI search for programmers, precise coding Q&A
WeatherNext Cyclones New
AI cyclone prediction model launched by Google DeepMind, providing high-precision forecasts of hurricane paths, intensity, and wind field structure, with an average early warning of 24 hours.
WeatherNext 3 New
The most advanced global weather AI model released by Google DeepMind and Google Research on 2026/9/3: driven by real-time satellite data, updated hourly, 5 km resolution, 15-day forecasts; integrated from today into Search/Gemini/Maps/Maps Platform Weather API/Earth Engine
FanRuan Moss New
Business insight agent launched by FanRuan, based on natural language querying, attribution analysis, and operational diagnosis, helping enterprises identify growth opportunities from data.
Jiushuyun New
A SaaS BI data analysis platform under FanRuan, offering AI assistant natural language querying, AI diagnostics, and AI intelligent reports, serving over 5,000 enterprises.
NVIDIA Kumo Tabular New
An open-source tabular foundation model released by NVIDIA on September 29, 2026. It can perform classification and regression predictions in a single forward inference pass, without the need for training, hyperparameter tuning, or feature engineering.
Microsoft Research Quine New
An AI biological research system released by Microsoft Research on September 29, 2026, connecting a biological world model with an interactive experimentation platform.
Ai2 AstaBrief 8B New
An open 8B scientific report generation model from Ai2, post-trained from Qwen3-8B, turning a research question and retrieved literature excerpts into a cited report in one pass, live in Asta as Fast mode
Microsoft ThinkingBox New
An agent evaluation sandbox from Microsoft and Hugging Face, running 507 stateful enterprise workflows 20 times each and grading the terminal database state and side effects instead of what the agent said
Arena New
This model evaluation platform began in 2023 as a UC Berkeley research project where users compare two anonymous model responses and vote, with the votes aggregated into a public ranking. On October 8, 2026 it closed a 200 million dollar Series B at a 3.1 billion dollar valuation co-led by Lightspeed Venture Partners and Khosla Ventures. The platform has accumulated 350 million sessions and 62 million votes across text, vision, code, search, image and video, drawing users from more than 150 countries, with Agent Arena producing 7 million sessions in under five months. The same day it released a preview of the Alignment Index, scoring 27 models across 90,000 real agent sessions on unauthorized action, false attribution and deceptive completion
Agent Lightning New
Microsoft Research Asia open-sourced this rebuilt agentic reinforcement learning framework on October 7, 2026, introducing the Harnessed Agentic RL paradigm in which the same agent harness used at deployment takes part directly in training, so the agent never has to be reimplemented inside the training framework. It places an OpenAI compatible LLM proxy between the agent and the model, leaving existing harness code untouched and usually requiring nothing more than pointing the model endpoint at the proxy. The whole framework is about 3,500 lines, made of an API gateway, a rollout controller and a customized trainer built on verl. Agents run as standard Kubernetes jobs with no dependency on paid sandbox services, and Collocated Async RL lets rollout and model updates share one pool of GPUs for roughly twice the end-to-end speed of synchronous RL. An end-to-end run on SWE-smith, mini-SWE-agent and Qwen3.5-9B lifted Pass@1 on SWE-bench Verified from 41.8 percent to 56.4 percent using only about 6,000 training samples
Google Deep Review New
Agentic review system released publicly by Google Research on 2026/10/14, already used across four flagship conferences on more than 16,000 manuscripts, now covering PDFs and plain text with two free reviews a week
Google Earth AI Geospatial Reasoning agent New
Geospatial reasoning agent presented by Google Research on 2026/10/14, combining Earth foundation models with spatial tools and shipping GeoKTools and GeoExpertQueries as two new benchmarks
Exa New
A search API for AI agents, providing real-time web data retrieval with support for vertical categories such as full-text, news, companies, research, and finance
Gemini Hot
Multimodal AI model by Google, deeply integrated with Google ecosystem
Perplexity Hot
AI-powered search engine providing real-time answers with citations
Consensus Hot
AI academic search engine, answers from scientific papers
Metaso AI Search Hot
Ad-free AI search engine with direct answers and structured info
ChatPDF Hot
AI tool for chatting with PDF documents, asking questions and extracting information from any PDF
Humata Hot
AI document analysis tool, chat with files, instant answers and summaries from long documents
ERNIE Bot
Large language model by Baidu with powerful Chinese capabilities
Tencent Yuanbao
AI assistant by Tencent, integrated with WeChat ecosystem and search
SciSpace
AI paper reading assistant for understanding academic papers
Elicit
AI research assistant automating literature review and analysis
Connected Papers
Paper relationship visualization for discovering related papers
Semantic Scholar
AI academic search platform for filtering relevant papers
AMiner
Academic platform by Tsinghua, scholar profiles and trend analysis
360 AI Search
Qihoo 360 AI search engine, real-time information retrieval with AI-generated answers
Casetext
AI legal research assistant CoCounsel, acquired by Thomson Reuters, for case search and legal analysis
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