62 mainstream AI tools across ten categories. Every card states who it suits and who it does not, the billing model, supported platforms, and our four-dimension rating. 28 entries link to our own hands-on articles.
A review that lists only strengths carries no information. The exclusion list sits on the same card, so you know immediately whether it fits you.
AI tools reprice constantly. Amounts appear only on manually verified entries, stamped with the verification date; everything else states the billing model and links to the official page.
The four dimensions (capability, ease of use, cost value, privacy control) are our judgement. We do not emit aggregateRating to impersonate a crowd-sourced score.
Use the filter bar below to narrow by category, level, learning track, free tier, and whether we have tested it ourselves.
Ollama
Run open models locally with one command, exposing an OpenAI-compatible API
Entirely free and open source; your only cost is hardware and electricity.
LangGenius
Open-source LLMOps platform for visually orchestrating RAG and agent workflows
Community edition is open source and self-hostable (free); cloud subscription and enterprise editions also exist. See the official page for current numbers.
開源社群 / 君澤智庫整理
Skill-catalogue-driven AI design output: decks, sites, dashboards, and finance documents
Skills and design systems are open to use; cost comes from your model API. This site catalogues 118 skills and 146 design systems.
Answers only from the sources you upload — it barely fabricates
Usable free; a Plus variant ships with higher quota inside Google's paid AI plans. See the official page for current numbers.
n8n GmbH
Workflow automation billed per execution, with nodes that can run your own code
Community edition is self-hostable (free, fair-code licence); n8n Cloud plans all include unlimited users and workflows, billed by monthly workflow executions. See the official page for current numbers.
開源社群
Open-source, skills-driven agent framework — extensively benchmarked on this site
The framework is open source and free; your real cost is the LLM API you connect.
LM Studio
GUI to download, manage, and run local models; supports GGUF and MLX
Free for personal use; commercial use requires a licence. See the official site for current terms.
開源社群（源於 UC Berkeley）
High-throughput LLM inference server — the default choice for self-hosted production
Open source and free (Apache-2.0); cost is GPU hardware or cloud rental. This site publishes deployment tests and performance numbers.
開源社群
Node-based local image-generation workflow, fully offline and customisable
Open source and free; cost is hardware (16GB+ VRAM or Apple Silicon unified memory recommended).
Open-source OCR — we use it to turn HK annual reports into analysable structured text
Open source and free; cost is hardware plus your LLM API. This site has measured results on Traditional Chinese reports and tables.
Webb-site
Public database of HK shareholdings and directorships — a mandatory cross-check source in due diligence
Free public lookup. Data compiled from official sources such as HKEX disclosures; this site documents usage and cross-verification method.
OpenAI
The largest general assistant by user base, with the most complete ecosystem
Free tier available; Plus / Pro / Team / Enterprise paid tiers; separate usage-based API billing. See the official page for current numbers.
Anthropic
Strong long-document comprehension and writing quality; Projects can hold a knowledge base
Free tier available; Pro / Max / Team / Enterprise paid tiers; separate usage-based API billing. See the official page for current numbers.
Tavily
Search API for AI applications, returning pre-digested, citable content
Free allowance, then usage-based; see the official site.
開源社群
A pure C/C++ inference engine — the layer most local solutions build on
Entirely free and open source; your only cost is hardware.
Anthropic
Terminal-based coding agent that can point at any OpenAI-compatible backend
Billed via Claude paid plans or API usage. This site also documents driving it from DeepSeek / ModelStudio-compatible backends to cut cost.
Very long context and deep Google Workspace integration
Free tier available; paid plans are often bundled with Google One; separate usage-based API billing. See the official page for current numbers.
DeepSeek
Low-cost high-capability model, a good default backend for agents
Web app is free; API is token-metered at prices well below comparable Western models. This site publishes measured comparisons and price tables.
Perplexity AI
AI search engine whose answers carry inline source citations
Free tier available; Pro / Max unlock more advanced models and research quota; enterprise plan available. See the official page for current numbers.
Exa
Search API designed for LLMs and agents, returning structured results
Usage-based API billing with a free allowance; see the official site.
Brave
Search API on an independent index — privacy-oriented and programmatically callable
Free allowance, then usage-based; see the official site.
ByteDance
Build bots with no code and publish to multiple chat platforms in one click
Free quota plus paid plans; the China edition (扣子) and the global edition (Coze) differ in features and billing. See the official page for current numbers.
Vercel
Generates React + Tailwind interfaces from natural language, deployable directly
Free quota plus Premium / Team / Enterprise tiers measured in credits. See the official page for current numbers.
Lovable
Conversational full-stack app generation, including database and auth
Free quota plus Pro / Teams / Enterprise tiers measured in credits. See the official page for current numbers.
StackBlitz
Generates, runs and deploys full-stack apps in the browser with no local environment
Free allowance, then credit- and subscription-based; see the official site.
Midjourney Inc.
The highest-aesthetic text-to-image model, with fine style control
Subscription only, tiered by GPU time. See the official page for current numbers.
AlphaSense
Market-intelligence search platform for financial and corporate research, covering broker research and expert calls
Enterprise subscription, priced on request; see the official site or sales.
萬得資訊
The financial data terminal most used by Chinese institutions, covering prices, financials and macro data
Institutional subscription, priced on request; see official sales.
開源社群
Open-source desktop app for local LLMs, emphasising offline use and privacy
Entirely free and open source; your only cost is hardware.
OpenAI
Open-source speech recognition model, self-hostable with stable multilingual performance
The model is open source, free and self-hostable; a hosted API bills by usage — see the official site.
開源社群
Open-source drag-and-drop LLM flow builder that you can self-host
Open source and self-hostable (free); a cloud offering also exists — see the official site.
GitHub / Microsoft
The most widespread in-editor AI completion, deeply integrated with GitHub
Free tier plus several paid plans and an enterprise tier. See the official page for current numbers.
字節跳動
ByteDance's consumer assistant with strong Chinese-language and multimodal support
Personal use is largely free; enterprise and API usage billed separately — see the official site.
阿里巴巴
Chat product for Alibaba's Qwen family, whose open weights can be self-hosted
Web app free; API usage-based. Open-weight model releases can be self-hosted.
開源社群
Open-source agent extension for VS Code that lets you point at any model backend
The extension is open source and free; your cost is the model API you connect.
開源社群
Open-source CLI pair programmer that turns every change into a git commit
Open source and free; your cost is the model API you connect.
Anysphere
AI-native code editor, strongest at multi-file changes
Hobby is free with limited agent requests; Individual starts at USD 20/mo (Pro / Pro+ / Ultra); Teams USD 40/user/mo; Enterprise custom. Usage-based billing beyond included allowance.
Gamma Tech
One click from outline or document to web-based presentation-ready slides
Free tier with limited quota; Plus / Pro plans unlock more output and remove watermarks. See the official page for current numbers.
月之暗面
Chinese assistant known for very long context — feed it whole document sets at once
Free quota plus paid plans; see the official site.
秘塔
Chinese AI search engine whose answers carry an outline and sources; an academic mode searches literature
Primarily free, with a membership tier; see the official site.
LangChain
Orchestration library that describes agent flows as state graphs, supporting interrupts and resumption
The library is open source and free; a hosted platform bills by usage — see the official site.
CrewAI
Framework that organises multi-agent work by role, with a relatively gentle learning curve
The framework is open source and free; an enterprise platform also exists — see the official site.
Windsurf
AI editor built around the Cascade agentic flow
Free plan plus paid tiers measured in credits. See the official page for current numbers.
Sparticle
AI search focused on multilingual research and deck output
Free quota plus paid plans; can output decks and mind maps. See the official page for current numbers.
Napkin
Turns paragraphs into diagrams and flow visuals ready to drop into a deck
Free tier available; paid plans unlock more output and commercial licensing. See the official page for current numbers.
ElevenLabs
Lifelike text-to-speech and voice cloning with broad multilingual support
Free tier with a monthly character quota; Creator / Pro / Scale tiered by usage. See the official page for current numbers.
Consensus
Search engine that answers from academic papers, with evidence strength attached
Free tier available; paid plans unlock more; see the official site.
Zapier
The most widespread SaaS automation platform, now with AI and agent capabilities
Free allowance plus several subscription tiers billed by task volume; see the official site.
Suno
Generates complete songs from a text prompt, including vocals and lyrics
Free allowance; paid plans unlock commercial use and more output — see the official site.
Replit
Builds an app inside Replit from a description and deploys it, including database and hosting
Free allowance; paid plans unlock more capability and deployment — see the official site.
同花順
Natural-language conditional stock screening for China A-shares
Basic queries free; advanced features come with paid plans — see the official site.
xAI
Assistant deeply integrated with the X platform, focused on real-time information
Bundled with paid X plans, also sold standalone and via API; see the official site.
OpenAI
OpenAI's coding agent, able to run tasks in parallel in the cloud and return diffs
Included with paid ChatGPT plans, plus usage-based API billing; see the official site.
字節跳動
ByteDance's AI IDE with a built-in agent mode and multi-model choice
Free tier available plus paid plans; see the official site.
Elicit
Assists systematic literature review, extracting fields across papers in bulk
Free allowance plus paid plans; see the official site.
Manus
General-purpose autonomous agent product: give it a task and it plans and performs multi-step work
Credit-based billing with a free allowance; see the official site.
Notion
AI that works inside your Notion workspace and can read your existing pages and databases
Offered as an add-on or within higher tiers; see the official site.
Beautiful.ai
Presentation tool constrained by design rules, with AI handling content and layout
Subscription with individual and team plans; see the official site.
OpenAI
OpenAI's text-to-video and image-to-video model, strong at longer shots and consistency
Available with higher ChatGPT tiers, plus an API; see the official site.
快手
Kuaishou's video generation model, noted for its Chinese ecosystem and human motion
Free allowance, then credit-based; see the official site.
Runway
Generative video tool aimed at film and video work, with finer editing and control
Free allowance, then credit- and subscription-based; see the official site.
Cognition
Positioned as an autonomous software engineer: hand it a task and it plans and executes
Subscription plus usage-based billing across tiers; see the official site.
We do investment research, corporate due diligence, and AI adoption consulting. This site is where we publish our methodology — free of charge, because a method that can be inspected is the only kind worth trusting.
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