★ 10/12

Sim (ex-Sim Studio)

Sim is an open-source (Apache 2.0) visual builder for AI agent workflows: you drag agent blocks onto a Figma-style canvas, connect them into a graph with conditions and loops,…

ai-agent-builderworkflow-automationopen-sourceycnot-solo-buildable

Geo US (San Francisco); no RU/CIS relevance found

Founders Emir Karabeg (CEO, @emkara) · Waleed Latif (CTO, @typingwala)

Domains sim.ai · simstudio.ai (old, redirects)

Score demand 3 · ease 2 · ICP 2 · monetization 1 · freshness 2

Growth tactics (teaser)

Show HN 2025-04-28: the founders personally debugged a user's bug in the thread and shipped a hotfix on the fly
December 2025: the 'Sim Studio→Sim' rebrand + positioning as an 'Apache-2.0 n8n alternative', the best of 3 HN launches (240 pts)
a resurfacing cycle every ~7-8 months: rebrand + release + a new Show HN

🔒 Full dossier

Launch timeline, metrics, the growth mechanics taken apart and checkable sources — sent to your email after payment, as a .md attachment. The dossier itself is written in Russian; this page and the catalog are the English part.

Buy dossier · $5