Microsoft Azure Cognitive Services
generalPre-built AI APIs from Microsoft for vision, speech, language, and decision tasks
Browse the best freemium ml tools on Listof.Best — 132 options, ranked by popularity. Compare features, pricing and alternatives at a glance.
Pre-built AI APIs from Microsoft for vision, speech, language, and decision tasks
AI assistant supporting multiple major models
Docs, spreadsheets, and apps in one platform
Payment and tax handling for digital products
AI voice changer for gaming, streaming, and chat
Writing clarity tool that flags clunky sentences
AI chatbot for customer support
Text-to-video with custom avatars and AI dubbing
Build and deploy custom apps with no code
AI-powered knowledge base for company information
Real-time voice changer for Discord, Zoom, and OBS
Humanize AI-generated text
Online course for AI prompt engineering
No-code platform for building AI apps
Create AI voice clones from audio samples
Summarize and translate documents in 150+ languages
Captions and subtitles for video and audio in 120+ languages
Single API for 500+ AI models
Convert images to AI art prompts
AI shopping comparison app for finding products
Detect UX changes and understand their impact
AI automation for sales and revenue operations
AI assistant for financial advisors and planning tasks
ChatGPT on Mac with a global hotkey
Because this category covers so many domains, browsing by sub-use case is more efficient than scrolling the full list. Tools like Hippo Scribe and SopCreator serve very specific professional workflows, while others like User Evaluation or Userpersona target product and UX teams. The quality bar across the category is uneven: some tools are mature products with enterprise customers, while others are early-stage experiments. When evaluating any tool in this space, look for evidence of actual accuracy and reliability in your specific domain, since ML performance varies dramatically across tasks. Integration depth and data handling are often the deciding factors for business use. Pricing models are diverse, from usage-based API billing to flat-rate SaaS subscriptions. Open-source alternatives exist for many of the underlying tasks, so for teams with technical resources, comparing commercial tools against self-hosted options is worth the effort.