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River: The AI desktop. It is listed under Productivity on AI Registry as a free tool.
The tools below are approved listings in the same category, ordered by how closely their tags match River. This is an automatic list. We have not written a researched verdict for River yet, so treat it as a shortlist and check each vendor's pricing page before switching.
Built from each tool's listing. Vendors can update their own listing after claiming it.
AI-powered engineering productivity tools
Elessar is an engineering visibility and documentation tool that uses large language models to turn pull request activity into written updates. It connects to GitHub, Notion, Linear, Slack and email, and generates standardized changelogs for each pull request, documentation and weekly reports in Notion, and personalize...
Your personal AI Assistant
Pally is an AI personal assistant that people use by text message, with no app to install. It is also available through Telegram. Users tell it what they need the way they would tell a friend, and it handles email, calendar, reminders, research and errands. Pally connects to a user's messages, email and calendar and b...
Continual learning for enterprise AI
Thirdlayer builds infrastructure for what it calls the agentic enterprise. Its platform captures a company's decisions, data and operating logic and turns them into structured context that both AI agents and human teams can use. The pitch is that systems of record store what happened, while agents also need the decisio...
Let agents talk to your customers
Userlens is a customer adoption and retention platform for B2B SaaS and product led growth teams. It connects to a product's backend database and product analytics, builds a profile of every person and company, and then uses its agent, Lumi, to write and send personal guidance based on what each user has actually done ...
The boring stuff, handled. Everything else, supercharged.
Doe is an AI command center for running a team. It connects to a company's existing business tools and takes on multi step work across them, returning a finished artifact such as a workbook, analysis, update or report ready for review. A user hands Doe an outcome rather than a list of steps. It plans the work, carries...
AI Grading for Teachers
Frizzle uses AI to grade handwritten math assignments for teachers and transform them into rich analytics and differentiated assessment to help personalize instruction for every student. Teachers spend over 10 hours a week or 25% of all their work grading - Frizzle does it in minutes. Frizzle is the most valuable piece...