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Free tier unknownAI models & APIs
Aquin Labs builds developer environments, libraries, and frameworks for applied machine learning and foundation models. The research company focuses on interpretability and reverse engineering intelligence for serious ML work.
Free tier unknownChatbots & assistants
Araby.ai is an Arabic-first AI platform that bundles many generative and productivity tools in one web app for Middle Eastern users. It aims to simplify access to localized AI utilities without hopping between separate services.
Free tier unknownImage generation & editing
Aragon.ai generates professional AI headshots from selfies, delivering dozens of studio-style portraits in minutes. Users pick attire and background options across Basic, Standard, and Executive packages instead of booking photographers.
Free tier unknownCoding & development
Arango markets a Contextual Data Platform that unifies graph, vector, document, and search for AI agents, assistants, and applications. The arango.ai site positions Arango as a context layer so teams can build enterprise AI workflows without stitching many separate data tools.
Free tier unknownSoftware & utilities
Aravolta provides infrastructure, building, and power monitoring software for data centers. It unifies BMS, EPMS, SCADA, and CMMS signals across vendors and protocols, exposes controls and telemetry via API, and deploys quickly without per-point pricing according to its marketing.
Free tier unknownSoftware & utilities
Arbital is a Y Combinator–backed trading terminal that combines memecoins, tokenized stocks, and perpetual contracts in one mobile-style app. Users can start trading trending assets from a unified interface with leaderboards, bots, and referral features shown on the marketing site.
Free planBusiness, finance & legal
ArbitrageScanner.io offers crypto trading analysis tools including cross-exchange arbitrage screeners, funding-rate trackers, DEX scanners, wallet analysis, and AI assistants. The Start plan unlocks multi-exchange spreads and notification customization.
Free tier unknownBusiness, finance & legal
Arbor is a carbon accounting platform for measuring product carbon footprints, lifecycle impacts, financed emissions, and regulatory reports. It helps sustainability teams hotspot emissions and prototype lower-carbon designs.
Free tier unknownDesign, logos & websites
Arcade AI is a product-creation platform where shoppers co-design unique goods with AI and independent artisans who produce them. It connects generative design workflows to physical manufacturing partners.
Free planCoding & development
ArcadeDB is an open-source multi-model graph database from Arcade Data. One engine natively stores graphs, documents, key-value data, vectors, full-text search, and time series with ACID transactions, supporting SQL, Cypher, Gremlin, GraphQL, and MongoDB-compatible access patterns.
Free planResearch & search
Arca Directory is a curated directory of tools for developers, designers, and entrepreneurs across AI, design, libraries, and open source. Visitors browse categorized listings and can submit new tools via email.
Free planDesign, logos & websites
Arcadium 3D is a free online house-design platform for floor plans, room layouts, and AI-assisted interior visualization. It targets homeowners and designers who want 2D/3D modeling, furniture libraries, and render-style previews without installing heavy CAD software.
Free trialVideo
Arcads is a generative AI platform for marketing teams to produce UGC-style video ads and images. It offers a large library of AI actors, avatar creation, and studio tools such as talking actors, background removal, captions, and product showcase workflows.
Free trialChatbots & assistants
Arcana Vibes is a tarot app that blends daily card draws with natal-chart and transit-aware interpretations. Users get personalized readings rather than generic fortune text, with blind and question-based spreads plus astrological context.
Free planCompanions & character chat
ArcaneLand is an early-access text adventure game that uses ChatGPT-powered dungeon mastering with RPG UI for XP, items, quests, and inventory. Players chat to explore a fantasy world while the game tracks progression and loot outside plain text.
Free planMeetings, notes & transcription
ArcaNotes is a micro-note app for fast capture and lightweight knowledge management. It emphasizes store-first capture, feed-style review, topic organization, sharing, and on-device AI for topic suggestions and natural-language Q&A over your notes.
Free trialBusiness, finance & legal
Archaide TradeLab is an algo-trading platform that lets traders describe strategies in plain language, backtest, paper trade, and launch bots without coding. It targets beginners through advanced users with guided onboarding and Alpaca broker integration.
Free to startCoding & development
Archal provides stateful API sandboxes for testing AI agents and integrations against provider-shaped environments such as GitHub, Slack, Stripe, and Supabase. Each sandbox keeps data across tool calls, exposes REST and MCP endpoints, and resets to a declared baseline for repeatable harness and CI testing.
Free tier unknownAI models & APIs
Archangel Health builds infrastructure to power medical AI with physician-graded datasets, RL environments, benchmarks, and labeling services. The platform targets health systems and medical AI builders with custom evals, post-training data, and physician-written supervision for regulated clinical workflows.
Free trialWriting & content
Archbee is a knowledge portal platform for technical teams to publish searchable documentation with Git-like branches, AI editing, and reader-friendly navigation. It targets product and engineering orgs replacing static docs with portals customers and staff can search and contribute to.
Free trialDesign, logos & websites
ArchDiagramAI generates architecture, network, and cloud diagrams from plain-English prompts or reference images. Users pick visual styles such as technical, dark mode, or 3D isometric layouts and export high-resolution PNG diagrams.
Free trialDesign, logos & websites
Arch-E on Genera.so generates architectural imagery from text and renders sketches photorealistically using a model trained on thousands of building images. The broader Genera platform also hosts interior redesign and shopping workflows.
Free planAI agents & automation
Archil is AI infrastructure for running stateful agents on versioned disks, sandboxes, and databases with governed access to production data without copies or cold starts. SDK examples show agents using disk tools to read and write files with strong consistency across Linux, macOS, and container mounts.
Free tier unknownDesign, logos & websites
ArchiLabs Desktop is an AI teammate that creates and edits native Revit and AutoCAD models and drawings from tasks, PDFs, and screen recordings. ArchiLabs Studio adds a browser workspace for AI-assisted design, data-center layouts, and parametric components starting at separate subscription tiers.
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