AI Apps Directory
The signal, not the hype.
- 591Apps
- 40Categories
- AImanaged
View AFFiNE details ProductivityFREEMIUMOpen coreAFFiNE
AFFiNE (toeverything)
Open-source, local-first workspace for docs, whiteboards, and databases.
AFFiNE is a local-first workspace that combines block-based docs, an infinite whiteboard canvas, and databases — an open-source alternative to Notion and Miro. Pages flip between document and edgeless (canvas) modes, and AFFiNE AI helps draft, summarize, and turn outlines into mind maps and slides. It runs on web, desktop, and mobile, with self-hosting available via Docker.
Worth knowing
Built on BlockSuite, the team's own open-source block-editor framework; its built-in AI runs on Claude and Gemini.
- knowledge-base
- whiteboard
- notes
- local-first
View Vast.ai details InferencePAIDVast.ai
Vast.ai
GPU cloud marketplace for renting AI compute.
Vast.ai is a marketplace for renting GPUs, connecting people who need AI compute with hosts who list spare hardware — from solo owners to Tier-4 data centers. Prices are set by supply and demand, billed per second, and queryable through code. It supports on-demand, interruptible (spot), and reserved instances across tens of thousands of GPUs and dozens of GPU types.
Worth knowing
Founded in 2018, it pioneered the GPU-rental marketplace — the 'Airbnb of GPUs' — pooling spare GPUs from independent hosts worldwide.
- gpu
- gpu-marketplace
- cloud-compute
- spot-instances
View Rork details AgentFREEMIUMRork
Rork
Build native mobile apps by chatting with AI.
Rork turns plain-language prompts into working iOS and Android apps. Its Pro tier generates React Native + Expo projects you can preview live and ship to the App Store and Google Play, while Rork Max builds native SwiftUI apps compiled with Xcode. It focuses on mobile as the target surface rather than web pages, and produces real native apps instead of web wrappers.
Worth knowing
Launched February 2025 via a single tweet, then raised a $15M seed led by Left Lane Capital with a16z Speedrun participating.
- app-builder
- mobile
- react-native
- vibe-coding
View ByteRover details MemoryFREEMIUMByteRover
ByteRover
Persistent memory layer for AI coding agents.
ByteRover gives coding agents long-term, structured memory that persists across sessions and tools. It organizes project knowledge into hierarchical context trees, stores them locally by default, and serves relevant context back to agents through an MCP server and CLI. It plugs into Cursor, Claude Code, Windsurf, and other assistants, and an optional cloud tier lets teams sync and share context.
Worth knowing
Began as the 'Cipher' memory MCP server before rebranding to ByteRover; the CLI is source-available under the Elastic License 2.0.
- agent-memory
- coding-agents
- mcp
View Eraser details DesignFREEMIUMEraser
Eraser
AI co-pilot for technical design — diagrams and docs as code.
Eraser is a collaborative whiteboard and docs tool for engineering teams where diagrams are written as code. Its AI generates flowcharts, ERDs, sequence, and cloud-architecture diagrams from a prompt or a pasted code snippet, then lets you refine them in diagram-as-code syntax. It syncs with GitHub and embeds into Notion and Confluence.
Worth knowing
Its 2023 sidecar DiagramGPT, which turns code or prose into diagrams, grew to drive roughly 30% of Eraser's signups.
- diagrams
- diagram-as-code
- documentation
- engineering
View Grain details MeetingFREEMIUMGrain
Grain
AI meeting notetaker that records, transcribes, and clips calls.
Grain records, transcribes, and summarizes video calls and in-person meetings, then surfaces action items and drafts follow-ups. Its signature feature is turning any moment of a transcript into a shareable video clip, with playlists and stories for organizing key calls. It also enriches CRM records and adds deal insights for revenue teams.
Worth knowing
Founded in 2018 atop Zoom for clipping call highlights; its $16M Series A in 2022 was led by Tiger Global, with Zoom itself investing.
- meeting-notes
- transcription
- video-clips
- revenue
View HyperWrite details WritingFREEMIUMHyperWrite
OthersideAI
AI writing assistant with autocomplete, web research, and citations.
HyperWrite is an AI writing assistant that drafts, rewrites, and autocompletes text across the web, with research and inline citations. It runs as a web app and a Chrome extension, and adds a personal-assistant agent that can carry out multi-step browser tasks. It is built by OthersideAI, one of the first companies to ship a consumer product on GPT-3.
Worth knowing
Built by OthersideAI, founded July 2020 — among the earliest commercial products built on OpenAI's GPT-3, with roughly 2M users.
- writing
- autocomplete
- chrome-extension
- research
View Definite details AnalyticsFREEMIUMDefinite
Definite
AI-native data platform: warehouse, ETL, BI, and agents in one.
Definite is a data-platform-as-a-service that bundles a managed warehouse, ETL pipelines, modeling, and BI into one AI-native product. Its assistant, Fi, turns natural-language questions into SQL and builds full data apps — filters, KPIs, and tables — not just charts. It ships 500+ connectors and exposes data to external agents like Claude and Cursor over MCP.
Worth knowing
Raised a $10M seed led by Costanoa Ventures in 2025; built on open-source DuckDB and Apache Iceberg to avoid lock-in.
- data-platform
- bi
- etl
- text-to-sql
View Fabi.ai details AnalyticsFREEMIUMFabi.ai
Fabi.ai
AI data-analysis notebooks that turn questions into dashboards.
Fabi.ai is an AI-native analytics platform built around Smartbooks — reactive notebooks that blend SQL, Python, and natural-language querying. Analysts ask a question and Fabi generates the query, chart, or workflow, then turns the result into a shareable dashboard or scheduled report. It connects to warehouses like Snowflake, BigQuery, and Redshift.
Worth knowing
Raised a $3M seed in 2023 led by Eniac Ventures; pitched as an AI-native Jupyter and Google Colab alternative for data teams.
- data-analysis
- notebooks
- sql
- python
- +1
View EliseAI details Real EstatePAIDEliseAI
EliseAI
Agentic AI assistant for property management and leasing.
EliseAI is an agentic AI platform that automates tenant and prospect communication for property management and multifamily housing. It answers inquiries, schedules tours, processes maintenance requests, and manages follow-ups across voice, SMS, email, and chat so operators can respond instantly around the clock. The same conversational platform has since been extended into healthcare for patient scheduling and non-clinical communication.
Worth knowing
Reached unicorn status with a 2024 $75M Series D at a $1B+ valuation (Sapphire Ventures), later extending its housing AI into healthcare.
- property-management
- leasing
- multifamily
- conversational-ai
View Cadastral details Real EstatePAIDCadastral
Cadastral
AI analyst for commercial real estate underwriting and diligence.
Cadastral is an AI-native, vertically specific platform for commercial real estate, billed as an 'AI analyst out of the box' that works without customer-specific training. It automates complex CRE workflows including T-12 analysis, lease abstraction, loan compliance, acquisitions due diligence, and end-to-end underwriting for real estate, private equity, and private credit teams.
Worth knowing
Founder Abe Somani previously built Leverton, an AI lease-abstraction company acquired by MRI Software in 2019.
- commercial-real-estate
- underwriting
- due-diligence
- ai-agent
View RealEstateAPI details Real EstatePAIDRealEstateAPI
RealEstateAPI
Expressive property data APIs for building proptech.
RealEstateAPI (REAPI) is a developer-focused property data platform offering APIs for property search, detail, comparables, parcel boundaries, address autocomplete, and skip tracing across roughly 95% of U.S. properties. It targets proptech startups and data-heavy products that want flexible, modern access to nationwide real estate data, and provides lender-grade automated valuations with confidence scoring for pre-qualification, underwriting, and portfolio monitoring.
- property-data
- real-estate
- proptech
- api
View Realie details Real EstateFREEMIUMRealie
Realie
Nationwide property data API powered by AI-collected public records.
Realie is a property data platform that serves nationwide parcel, ownership, mortgage, and zoning data through a fast API. AI agents continuously collect records from public sources across 3,100+ U.S. counties in all 50 states, normalize the differing county layouts, and verify them so the data stays current. It handles search, lookups, and enrichment at sub-10ms latency, offers an automated valuation model and comparables, and supports full-state or nationwide bulk delivery via Amazon S3.
Worth knowing
Exposes its property data to AI coding tools — Claude, Cursor, and VS Code — over the Model Context Protocol (MCP).
- property-data
- real-estate
- parcel-data
- api
View Bria details ImageFREEMIUMBria
Bria AI
Enterprise visual AI trained only on licensed data, with IP indemnification.
A visual generative AI platform for enterprises that generates and edits images and video while keeping output commercially safe. Its models are trained exclusively on licensed data from Getty Images, Alamy, and Envato, and generations come with IP indemnification. A "Visual Generative Language" lets developers control lighting, camera, composition, and objects with structured parameters rather than free-text prompts, delivered via API, cloud, BYOC, or on-prem.
Worth knowing
Getty Images is both an investor and a training-data partner; Bria raised a $24M Series A in 2024 co-led by Intel Capital.
- image-generation
- enterprise
- licensed-data
- ip-safe
- +1
View kapa.ai details SupportPAIDkapa.ai
kapa.ai
Turns your technical docs into a RAG assistant that answers users' questions.
A platform that ingests a company's technical documentation and 30+ other sources (GitHub, forums, Slack, Discord, Zendesk) and turns them into an AI assistant that answers complex product questions with citations. Built for external end users, where accuracy matters most, it flags low-confidence answers and surfaces unanswered questions so teams can close documentation gaps. Deploys as a docs widget, chat integration, or API.
Worth knowing
Seed backers include RAG paper co-author Douwe Kiela, Replit's Amjad Masad, and Docker founder Solomon Hykes.
- support
- documentation
- rag
- ticket-deflection
- +1
View ResearchRabbit details ResearchFREEMIUMResearchRabbit
ResearchRabbit
Citation-based literature mapping that visualizes how papers connect.
A literature-discovery tool for researchers that maps the scholarly landscape instead of returning flat result lists. Start from one or more "seed" papers and it surfaces related work, citing/cited papers, and relevant authors as an interactive network — drawing on 270M+ papers — so connections appear even when articles don't cite each other directly. Collections sync to Zotero and can trigger new-paper alerts.
Worth knowing
Commits to keeping a feature-complete tier free forever; the paid RR+ tier is purchasing-power-parity priced across 100+ countries.
- literature-review
- research
- citations
- academia
- +1
View Weglot details TranslationFREEMIUMWeglot
Weglot
No-code website translation that drops into any CMS via one snippet.
A website localization platform that translates a site into multiple languages without a developer or localization team. It integrates with Shopify, WordPress, Webflow, Squarespace, Wix, and custom builds through a single snippet, auto-detects new and updated content to translate, and handles multilingual SEO (hreflang, translated URLs). Combines neural machine translation with optional brand-tuned custom AI models and a manual-editing layer.
Worth knowing
French startup founded in Paris in 2016; raised a €45M growth round led by Partech in 2022.
- translation
- localization
- website
- no-code
- +1
View Beautiful.ai details DesignPAIDBeautiful.ai
Beautiful Slides, Inc.
AI presentation maker whose smart templates auto-design every slide as you add content.
A web-based presentation tool that pairs generative AI with a library of "smart" templates: type a prompt and DesignerBot drafts a full deck, then each Smart Slide auto-adjusts its layout, spacing, and alignment as you add or remove content so the design stays consistent without manual fiddling. Includes PowerPoint import/export, brand controls for teams, and viewer analytics on shared decks.
Worth knowing
Founder Mitch Grasso earlier built SlideRocket, the first cloud presentation tool, acquired by VMware in 2011.
- presentations
- slides
- design
- decks
- +1
View Eightify details Browser Ext.FREEMIUMEightify
AI YouTube summarizer that turns any video into key takeaways and timestamps.
Eightify is an AI summarizer for YouTube, delivered as a browser extension with companion mobile apps. It condenses a video into key insights, a short overview, and timestamped sections so you can grasp the main points in seconds and jump straight to what matters, with summaries and translations in 40+ languages. Summaries are generated using ChatGPT and Claude, and it handles videos up to several hours long.
Worth knowing
Summaries run on both Claude and ChatGPT, and a single account works across its Chrome extension and native iOS and Android apps.
- youtube
- summarization
- video-summary
- chrome-extension
View Genie AI details LegalFREEMIUMGenie AI
Genie AI Ltd.
Agentic legal AI that drafts, reviews, and negotiates contracts from your playbooks.
Genie AI is a legal AI platform for drafting, reviewing, editing, and negotiating business contracts. It can generate personalized, jurisdiction-aware agreements — up to 50+ pages — in minutes, flag risks in existing documents, and learn an organization's standards and playbooks to keep edits on-policy. London-based, it offers a free tier plus paid Pro, Business, and Enterprise plans for in-house legal teams and firms.
Worth knowing
Raised a $17.8M Series A in Oct 2024 led by Google Ventures, with Khosla Ventures — Genie's first institutional round.
- legal-ai
- contract-drafting
- contract-review
- clm
View Curipod details EducationFREEMIUMCuripod
Curipod
AI builds interactive, discussion-driven lessons that teachers run live with their class.
Curipod is an AI lesson-building platform for teachers: enter a topic, grade level, and objective and it generates interactive slide decks with polls, word clouds, open questions, and drawing prompts that students answer live on their own devices. It gives real-time AI feedback on student writing and produces participation reports, aiming to drive classroom dialogue rather than passive viewing. Built for K-12 classrooms, it offers a free tier plus school and district licenses.
Worth knowing
Founded in Bergen, Norway; its makers pitched it as a 'reverse Kahoot' — teacher-built interactive lessons instead of quiz games.
- edtech
- lesson-planning
- interactive-lessons
- k12
View Daloopa details FinanceFREEMIUMDaloopa
Daloopa
Source-linked financial data extracted from filings, feeding analyst models, AI agents, and LLMs.
Daloopa automatically extracts and standardizes fundamental financial data — from SEC filings, investor presentations, and earnings materials — for 5,500+ global tickers with up to 14 years of history, linking every number back to its source document for auditability. Analysts use it to build and update models faster, cutting time spent during earnings season. The same data is exposed to AI tools via API, an Excel add-in, and Model Context Protocol connectors for ChatGPT, Claude, Perplexity, and Rogo.
Worth knowing
Raised a $47M Series C in 2026 (Brighton Park Capital), bringing total funding to roughly $84M since 2020.
- financial-data
- fundamental-data
- equity-research
- mcp
View Glass Health details HealthcareFREEMIUMGlass Health
Glass Health
Ambient AI scribe and clinical decision support that drafts notes and differentials for clinicians.
Glass Health is a clinical AI platform for physicians that pairs an ambient scribe with decision support: it listens to a visit and drafts the note, then generates three-tier differential diagnoses and assessment-and-plan suggestions with PubMed-cited reasoning. Clinicians review, edit, or reject every suggestion — it is positioned as a reasoning aid, not a diagnostic replacement. Higher tiers integrate with EHRs including Epic, athenahealth, eClinicalWorks, and Elation.
Worth knowing
A Y Combinator (W23) company; its decision support rests on guidelines peer-reviewed by an in-house academic physician team.
- clinical-ai
- ambient-scribe
- decision-support
- differential-diagnosis
View Heptabase details ProductivityPAIDHeptabase
Hepta Platforms
Visual, whiteboard-based knowledge base with AI for understanding what you read.
Heptabase is a visual note-taking and research tool that organizes ideas on infinite whiteboards built from linked cards, with a block editor, PDF annotation, web clipping, and bidirectional links. Its AI lets you ask questions and get cited answers across your PDFs, YouTube videos, notes, and journals, and an AI Tutor runs structured, personalized learning sessions. It runs on Mac, Windows, Linux, iOS, Android, and the web with offline support.
Worth knowing
Y Combinator-backed yet bootstrapped to profitability — the founder reported roughly $200K in monthly revenue.
- visual-notes
- pkm
- whiteboard
- research