Aristra, your life OS vs TurnKeeper

Your digital twin, working 24/7. Aristra plugs into your email, calendar and tools and does the follow-through while you sleep. Free to start.

TurnKeeper is a fair Slack rotation app: round robin rotations, on-call rotation and standup rotation with an explainable, append-only ledger. EU-hosted, €19/month flat.

About Aristra, your life OS

Your digital twin, working 24/7. Aristra plugs into your email, calendar and tools and does the follow-through while you sleep. Free to start. Aristra builds one brain from the tools you already use and opens it to whatever you ask: Claude, ChatGPT, Gemini, your own agents, or Aristra itself. Nothing you do here trains a model for anyone else. Aristra has a real browser, a place to run code, and a way to hand you the result.

About TurnKeeper

TurnKeeper is a fair Slack rotation app: round robin rotations, on-call rotation and standup rotation with an explainable, append-only ledger. EU-hosted, €19/month flat. One Slack rotation app for support triage, code review, on-call handoffs, or to rotate your standup facilitator. It announces whose turn it is, skips absences with a visible reason, and can always explain itself. TurnKeeper records every turn, skip, swap and absence in an append-only ledger. When software decides whose turn it is, predictable is the whole feature.