Sintra alternatives

Connects thousands of apps and runs agent steps

AI agent platform for solo founders and small businesses to automate research, follow-ups, and admin tasks.

Browser-based autonomous agent that splits a written goal into tasks and runs them in a loop

Agent that browses, researches, analyses and reports, and reuses what it learned on repeat runs

An AI operations team you message in WhatsApp or Slack that acts across your connected business tools.

Builds an AI clone of you that keeps answering messages, scheduling and following up while you are away

Block-based builder for agents that keep running on a schedule

Free, open-source desktop app from Block for wiring together AI agents, model providers, and automations on a canvas.

Group chat where people and several AI agents share one thread and review each other's drafts

AI agents that take real queue work over chat, voice, SMS and email, then get reviewed and tuned.

Hire AI agents like staff: each gets its own sandboxed computer, drive and skills, billed per agent per month

Routes research, analysis, and strategy questions through a library of specialized AI virtual experts, not one chatbot.