Home › Web apps › vellum

vellum

A map viewer for Cities: Skylines

by @sebas-tcotd · Autre · TypeScript · Web · since Mar 2026

A map viewer for Cities: Skylineswhat took me the longest
71active days
645commits
6 molifetime
7 wkbest streak
★ 1GitHub stars

read on September 30, 2026 · 645 commits · 2 authors · default branch, bots excluded · how we count

work: verified in the repo · revenue: not declared · how we know

Open the app ↗The repo

The work, day by day

DecJanFebMarAprMayJunJulAugSepOctNov2025-11-102025-11-112025-11-122025-11-132025-11-142025-11-152025-11-162025-11-172025-11-182025-11-192025-11-202025-11-212025-11-222025-11-232025-11-242025-11-252025-11-262025-11-272025-11-282025-11-292025-11-302025-12-012025-12-022025-12-032025-12-042025-12-052025-12-062025-12-072025-12-082025-12-092025-12-102025-12-112025-12-122025-12-132025-12-142025-12-152025-12-162025-12-172025-12-182025-12-192025-12-202025-12-212025-12-222025-12-232025-12-242025-12-252025-12-262025-12-272025-12-282025-12-292025-12-302025-12-312026-01-012026-01-022026-01-032026-01-042026-01-052026-01-062026-01-072026-01-082026-01-092026-01-102026-01-112026-01-122026-01-132026-01-142026-01-152026-01-162026-01-172026-01-182026-01-192026-01-202026-01-212026-01-222026-01-232026-01-242026-01-252026-01-262026-01-272026-01-282026-01-292026-01-302026-01-312026-02-012026-02-022026-02-032026-02-042026-02-052026-02-062026-02-072026-02-082026-02-092026-02-102026-02-112026-02-122026-02-132026-02-142026-02-152026-02-162026-02-172026-02-182026-02-192026-02-202026-02-212026-02-222026-02-232026-02-242026-02-252026-02-262026-02-272026-02-282026-03-012026-03-022026-03-032026-03-042026-03-052026-03-062026-03-072026-03-082026-03-092026-03-102026-03-112026-03-122026-03-132026-03-142026-03-152026-03-162026-03-172026-03-182026-03-192026-03-202026-03-212026-03-222026-03-232026-03-242026-03-252026-03-262026-03-272026-03-282026-03-292026-03-302026-03-312026-04-012026-04-022026-04-032026-04-042026-04-052026-04-062026-04-072026-04-082026-04-092026-04-102026-04-112026-04-122026-04-132026-04-142026-04-152026-04-162026-04-172026-04-182026-04-192026-04-202026-04-212026-04-222026-04-232026-04-242026-04-252026-04-262026-04-272026-04-282026-04-292026-04-302026-05-012026-05-022026-05-032026-05-042026-05-052026-05-062026-05-072026-05-082026-05-092026-05-102026-05-112026-05-122026-05-132026-05-142026-05-152026-05-162026-05-172026-05-182026-05-192026-05-202026-05-212026-05-222026-05-232026-05-242026-05-252026-05-262026-05-272026-05-282026-05-292026-05-302026-05-312026-06-012026-06-022026-06-032026-06-042026-06-052026-06-062026-06-072026-06-082026-06-092026-06-102026-06-112026-06-122026-06-132026-06-142026-06-152026-06-162026-06-172026-06-182026-06-192026-06-202026-06-212026-06-222026-06-232026-06-242026-06-252026-06-262026-06-272026-06-282026-06-292026-06-302026-07-012026-07-022026-07-032026-07-042026-07-052026-07-062026-07-072026-07-082026-07-092026-07-102026-07-112026-07-122026-07-132026-07-142026-07-152026-07-162026-07-172026-07-182026-07-192026-07-202026-07-212026-07-222026-07-232026-07-242026-07-252026-07-262026-07-272026-07-282026-07-292026-07-302026-07-312026-08-012026-08-022026-08-032026-08-042026-08-052026-08-062026-08-072026-08-082026-08-092026-08-102026-08-112026-08-122026-08-132026-08-142026-08-152026-08-162026-08-172026-08-182026-08-192026-08-202026-08-212026-08-222026-08-232026-08-242026-08-252026-08-262026-08-272026-08-282026-08-292026-08-302026-08-312026-09-012026-09-022026-09-032026-09-042026-09-052026-09-062026-09-072026-09-082026-09-092026-09-102026-09-112026-09-122026-09-132026-09-142026-09-152026-09-162026-09-172026-09-182026-09-192026-09-202026-09-212026-09-222026-09-232026-09-242026-09-252026-09-262026-09-272026-09-282026-09-292026-09-302026-10-012026-10-022026-10-032026-10-042026-10-052026-10-062026-10-072026-10-082026-10-092026-10-102026-10-112026-10-122026-10-132026-10-142026-10-152026-10-162026-10-172026-10-182026-10-192026-10-202026-10-212026-10-222026-10-232026-10-242026-10-252026-10-262026-10-272026-10-282026-10-292026-10-302026-10-312026-11-012026-11-022026-11-032026-11-042026-11-052026-11-062026-11-072026-11-082026-11-092026-11-102026-11-112026-11-122026-11-132026-11-14
71 active days in the last 12 months
unclaimed card

This card was created from the public repo; the numbers come from the commits. @sebas-tcotd, it's yours: sign in with GitHub to add a line, a picture, and paste the “71 active days, verified” badge in your README.

Claim my card
to remove it: one email, or reply “no” to ours, and it's gone · no dofollow link and no badge until it is claimed

In the same vein

Web appsTypeScript
origa
267 active days · Claude Code · Web
d
denokv-gui-client
230 active days · Autre · Web
u
ultra-rss-reader
178 active days · Autre · Web

vellum ranks #104 among all apps and #17 among web apps. Those rankings are pages, refreshed every night.