Demos from my TSConf 2020 keynote
TypeScript
152 ★
16 forks
1mo 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
-
498Contributions
0 following
Exportar e gerar
Profile tree
Data from GitHub API- Contributions: 498. Past 12 months.
- Followers: 16,917. 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.
- 498 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
What your GitHub says
Based on public GitHub activity · how this is calculated
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JavaScript is the largest language share across analyzed repositories, at 100%.
High confidence
-
Public visibility is concentrated: the top 3 analyzed repositories account for 86% of total stars, led by tsconf2020-demos.
Medium confidence
-
Public GitHub activity is implementation-heavy: commits account for 51% of tracked contribution activity.
Medium confidence
-
Most analyzed repositories (4 of 4) show no public activity in over a year.
Medium confidence
Profile health
Signals from analyzed public data
Activity
85
Strong
- 498 contributions in the trailing year
- 1-day current streak
Portfolio
15
Needs work
- 0 of 4 analyzed repositories are actively maintained
- 371 stars across analyzed repositories
Discoverability
25
Needs work
- Every analyzed repository has a description
- 4 of 4 have no topic tags
Maintenance
0
Needs work
- 0 of 4 analyzed repositories were pushed to in the last 6 months
- 4 show no public activity in over a year
Collaboration
76
Strong
- 162 pull requests and 76 code reviews in the trailing year
- 9 repositories starred
Recruiter snapshot
A skim of public evidence, not a hiring judgement
Technical focus
JavaScript / TypeScript / HTML
Largest language shares across analyzed repositories
Project depth
0 of 4
Analyzed repositories rated established or maintained
Collaboration
162 PRs / 76 reviews
Public pull requests and code reviews in the trailing year
Community signals
371 stars / 57 forks
Summed across analyzed repositories
Recent activity
12 of last 12 months
Calendar months with at least one tracked contribution
Strongest signals
- 498 contributions in the trailing year
- 162 pull requests and 76 code reviews in the trailing year
498
Contributions
Past 12 months
1
Current streak
Sep 23, 2026 – Sep 23, 2026
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
Tuesday
99 contributions
Most active year
2026
371 contributions
Signature language
JavaScript
100% of tracked code
Flagship repository
tsconf2020-demos
152 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 152. Over the past year they recorded 498 contributions, including a longest run of 11 consecutive active days. Anders Hejlsberg has been on GitHub since 2013 and is followed by 16,917 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.
-
01
Add topics to tsconf2020-demos
Low impacttsconf2020-demos has no topic tags, making its technology harder to discover.
tsconf2020-demos → -
02
Add topics to typescript-build2016-demos
Low impacttypescript-build2016-demos has no topic tags, making its technology harder to discover.
typescript-build2016-demos → -
03
Add topics to tsconf2021-demos
Low impacttsconf2021-demos has no topic tags, making its technology harder to discover.
tsconf2021-demos → -
04
Add topics to PLE-demos
Low impactPLE-demos has no topic tags, making its technology harder to discover.
PLE-demos →
How these are calculated: see the methodology page .
Collection of TypeScript demo projects form //build 2016
JavaScript
99 ★
27 forks
2mo ago
Demos from my TSConf 2021 keynote
TypeScript
67 ★
10 forks
4mo ago
Demos from my Programming Language Experts talk, Apr 2021
TypeScript
53 ★
4 forks
1 issues
29d ago
-
tsconf2020-demos 152 ★
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 53 ★
Demos from my Programming Language Experts talk, Apr 2021
Public visibility is concentrated in a small number of projects - these are the strongest candidates to feature on a resume.
Top 1 repository
41% of stars
Top 3 repositories
86% of stars
Top 5 repositories
100% of stars
Leading repository: tsconf2020-demos (152 stars, 371 total across analyzed repositories)
Technology breakdown
Derived from repository languages and topics - horizontal bars, never a pie.
Languages
-
JavaScript 100%
-
TypeScript 0%
-
HTML 0%
README, contributing-guide and GitHub Actions badges below are detected by exact filename on each repository’s default branch - they report presence, not quality.
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tsconf2020-demos DormantPopularity 100Discoverability 25Maintenance 0No README No contributing guide No CI workflow
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typescript-build2016-demos DormantPopularity 72Discoverability 25Maintenance 0README No contributing guide No CI workflow
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tsconf2021-demos DormantPopularity 45Discoverability 25Maintenance 0No README No contributing guide No CI workflow
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PLE-demos DormantPopularity 35Discoverability 25Maintenance 0No README No contributing guide No CI workflow
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4
Public repos
Owned, non-fork
371
Total stars
Across all repos
498
Contributions
Past 12 months
162
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
371
-
2025
309
-
2024
159
-
2023
192
-
2022
182
-
2021
182
By day of week
-
Sun
46
-
Mon
87
-
Tue
99
-
Wed
92
-
Thu
69
-
Fri
60
-
Sat
45
Best coding day: Tue
By month (last 12)
-
Oct
39
-
Nov
40
-
Dec
27
-
Jan
20
-
Feb
40
-
Mar
77
-
Apr
66
-
May
68
-
Jun
54
-
Jul
26
-
Aug
14
-
Sep
6
GitHub journey
→
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April 2013
Joined GitHub
Created the @ahejlsberg account.
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April 2016
Created first repository
Published typescript-build2016-demos, the oldest repository still on the account.
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April 2016
First starred repository
typescript-build2016-demos is the earliest-created repository to have earned stars.
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September 2021
Latest repository
tsconf2021-demos is the most recently created repository.
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June 2026
Most productive year: 2026
371 contributions recorded in 2026, 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
- 251
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
7
Issues opened
Past 12 months
162
Pull requests opened
Past 12 months
76
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