similarity /ˌsɪm·əˈlær·ə·ti/ n., geometry — a transformation that preserves shape while changing scale.

Communities, at every scale. Software that preserves what makes them theirs.

Similarity Inc. builds community‑management and mentorship platforms for cohort programs and alumni networks — web and iOS. Our flagship product is CommunityOS: events, mentorship, and a living member directory, under each community's own brand — the same shape, at any size.