calsdk, one TypeScript API for Google Calendar, Outlook and iCloud
Middle of the pack
Beat 65% of Show HN launches that day
#59 of 182 on Nov 5
#10 of 26 Developer Tools launches on Show HN on Nov 5. 6.4% of Developer Tools launches (10 of 156) reached 10+ points in the last 7 days. See Developer Tools →
points · traction gained Nov 11, 10:42 UTC → Nov 12, 10:31 UTC · % shown only when the previous traction was 5+
Traction frozen — tracking ended at 159h after listing. Show HN votes are re-read for ~168h.
comments
listed Nov 5, 19:31 UTC
Traction (points) over time
Key statistics
- Traction
- 3points
- Comments
- 0
- Rank in DEVT this week
- —not listed in the last 7 days
- Rank overall this week
- —
- Sector hit rate
- 6.4%10/156 · 7D
- Traction line
- Below10+ points
- First reading
- 2Nov 6, 17:32 UTC
- Last reading
- 3Nov 12, 10:31 UTC
- Readings
- 7over 159h
Get the launches that broke through, every Tuesday.
10 of 156 Developer Tools launches on Show HN reached 10+ points over the last 7 days. The weekly brief shows what they did differently, so you can compare calsdk, one TypeScript API for Google Calendar, Outlook and iCloud.
Free, every Tuesday. Unsubscribe anytime.
Top on Nov 5 · 182 Show HN launches that day, by points
- #1FirenookFirebase emulators in Rust: 40× faster writes, 10× less RAM176 points
- #2Rivet (YC W23)Scale and Orchestrate Agents on S3122 points
- #3Stroqa local audit of what your coding agent did and why96 points
- #4WaymarkA workflow engine that compiles jobs instead of replaying88 points
- #5Spindlea full-featured, type-safe web framework for OCaml 564 points
More in Developer Tools · top Show HN launches, last 7 days
- DBDelveOpen-Source DB Client Made with Rust and GPUI124 points0
- Godbolt-in-a-floating-window for Neovim (C, C++, Rust)104 points▲ +2
- JavaScript web apps with WASM layout and GPU rendering in 280 KB46 points0
- CloneGuardScan a repo for credential-stealing tricks before it runs31 points0
- Write GitHub Actions in any languageLoopt15 points0
Grades · each graded against other Developer Tools launches from the same source
Momentum
——
Traction gained in the latest daily interval
Not re-read in the latest run, so no recent gain
Velocity
B0.06 points/h
Votes per hour since listing (age capped at 48h)
Better than 71% · vs 672 Developer Tools · Show HN launches, last 30 days
Engagement
——
Comments per 10 points
Needs 10+ points; below that the ratio is mostly noise
Staying Power
——
Votes at last reading ÷ votes at first reading
Needs 10+ points and readings from two runs
Launch-day race · #59 of 182 Show HN launches on 2026-11-05
- #57Hand Your Markdown Tasks to Claude Code from a Kanban Board3 points
- #58Teach a speech model (en) a name by saying it once, on your Mac3 points
- #59calsdk, one TypeScript API for Google Calendar, Outlook and iCloud3 points
- #60Sshole-audit3 points
- #61Markdown OKF-Schema Studio for VS Code3 points
Maker? Add your website and we will link it from this page.
Discussion
No comments yet. Open on Hacker News →
Keep going
- #60 of 182 on Nov 5Sshole-audit →
- Case studyHow HackerBooks reached 1,861 points on Show HN with a five-word pitch →
- Case studyHow "Steal My Bitcoin" turned a two-word dare into the #1 Show HN of the week →
- CategoryDeveloper Tools: supply, hit rate, top launches →
Every Tuesday: the launches that broke through and the categories heating up. Get the free weekly brief →
Data as of Nov 13, 2026, 9:22 AM UTC. Sector comes from keyword rules on the title and tagline and can be wrong. How it works