Demos from my TSConf 2020 keynote
TypeScript
153 ★
16 forks
18d ago
Anders Hejlsberg
@ahejlsberg
Microsoft Technical Fellow and lead architect of TypeScript. Original designer of C#, Delphi, and Turbo Pascal.
- Microsoft
- Redmond, WA, USA
-
371Total stars
-
17KFollowers
-
4Public repos
-
408Contributions
0 following
Profile tree
Data from GitHub API- Contributions: 408. Past 12 months.
- Followers: 16,782. People who follow you.
- Total stars: 371. Across all repos.
- Following: 0. People you follow.
- Public repos: 4. Owned, non-fork.
A living snapshot
Every leaf is a headline number from Anders Hejlsberg’s public GitHub. The canopy fills out as the work grows - sway and all.
- 408 Contributions Past 12 months
- 17K Followers People who follow you
- 371 Total stars Across all repos
- 0 Following People you follow
- 4 Public repos Owned, non-fork
Data from GitHub API · refreshed in real time
408
Contributions
Past 12 months
0
Current streak
No active streak
11
Longest streak
May 4, 2026 – May 14, 2026
Less
More
- JavaScript 99.7%
- TypeScript 0.3%
- HTML 0.0%
- Frontend 100
- Backend 0
- Mobile 0
- DevOps 0
- Data 0
- AI 0
- Security 0
- Embedded 0
- Game Dev 0
Longest streak
11d
May 2026
Favourite coding day
Wednesday
78 contributions
Most active year
2025
309 contributions
Signature language
JavaScript
100% of tracked code
Flagship repository
tsconf2020-demos
153 stars
On GitHub since
2013
13 years and counting
Anders Hejlsberg maintains a public GitHub presence built primarily around JavaScript, which accounts for roughly 100% of their committed code, alongside TypeScript and HTML. The profile lists 4 public repositories that have attracted 371 stars, led by tsconf2020-demos at 153. Over the past year they recorded 408 contributions, including a longest run of 11 consecutive active days. Anders Hejlsberg has been on GitHub since 2013 and is followed by 16,782 developers.
This overview is generated from Anders Hejlsberg’s public GitHub activity at the time of the last refresh. Figures cover public repositories and the trailing twelve months of contributions.
Collection of TypeScript demo projects form //build 2016
JavaScript
99 ★
27 forks
25d ago
Demos from my TSConf 2021 keynote
TypeScript
67 ★
10 forks
2mo ago
Demos from my Programming Language Experts talk, Apr 2021
TypeScript
52 ★
4 forks
1 issues
11d ago
-
tsconf2020-demos 153 ★
Demos from my TSConf 2020 keynote
-
Collection of TypeScript demo projects form //build 2016
-
tsconf2021-demos 67 ★
Demos from my TSConf 2021 keynote
-
PLE-demos 52 ★
Demos from my Programming Language Experts talk, Apr 2021
Technology breakdown
Derived from repository languages and topics - horizontal bars, never a pie.
Languages
-
JavaScript 100%
-
TypeScript 0%
-
HTML 0%
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4
Public repos
Owned, non-fork
371
Total stars
Across all repos
408
Contributions
Past 12 months
163
Pull requests
Opened this year
0
Public gists
Snippets shared
13
y
Account age
Since 2013
60
%
Profile score
Completeness
Repository explorer
→
| Name | Language | Stars | Forks | Size | Updated |
|---|
No repositories match those filters.
Coding statistics
→
Contribution patterns
→
By year
-
2026
266
-
2025
309
-
2024
159
-
2023
192
-
2022
182
-
2021
182
By day of week
-
Sun
43
-
Mon
70
-
Tue
75
-
Wed
78
-
Thu
50
-
Fri
52
-
Sat
39
Best coding day: Wed
By month (last 12)
-
Sep
29
-
Oct
39
-
Nov
40
-
Dec
27
-
Jan
20
-
Feb
32
-
Mar
55
-
Apr
47
-
May
53
-
Jun
38
-
Jul
19
-
Aug
2
GitHub journey
→
-
April 2013
Joined GitHub
Created the @ahejlsberg account.
-
April 2016
Created first repository
Published typescript-build2016-demos, the oldest repository still on the account.
-
April 2016
First starred repository
typescript-build2016-demos is the earliest-created repository to have earned stars.
-
September 2021
Latest repository
tsconf2021-demos is the most recently created repository.
-
June 2025
Most productive year: 2025
309 contributions recorded in 2025, more than any other year on record.
Developer evolution
Your GitHub career, year by year.
→
2016
Started with JavaScript.
JavaScript
- Repos this year
- 1
- Total repos
- 1
- Stars, as of today
- 99
2020
Shifted from JavaScript to TypeScript.
TypeScript
- Repos this year
- 1
- Total repos
- 2
- Stars, as of today
- 252
2021
Went deeper into TypeScript.
TypeScript
- Repos this year
- 2
- Total repos
- 4
- Stars, as of today
- 371
- Contributions
- 182
Built from ahejlsberg’s public, non-fork repositories. Star totals reflect current counts, not historical snapshots.
Achievements
3 / 9 unlocked
Explorer
Created repositories in 8 or more languages
Builder
More than 50 public repositories
Open Source Enthusiast
100+ stars received across all repositories
Consistent
A 100-day-or-longer contribution streak
Documentation Hero
5 or more repositories with a detailed description
Popular
500 or more followers
Prolific Committer
1,000 or more commits in the past 12 months
Long Timer
5 or more years on GitHub
Star Collector
Starred 100 or more repositories
Open source activity
371
Stars received
9
Repositories starred
57
Forks received
8
Issues opened
Past 12 months
163
Pull requests opened
Past 12 months
74
Reviews given
Past 12 months
Language evolution
The primary languages of repositories created each year.
2016
- JavaScript
2020
- TypeScript
2021
- TypeScript
Repository growth
Repositories created per year, and the running total.
Created that year
Cumulative total
Language tree
Built automatically from repository languages and topics.
Programming Languages →
- JavaScript
- TypeScript
- HTML