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Anders Hejlsberg on GitHub

Anders Hejlsberg

@ahejlsberg

Microsoft Technical Fellow and lead architect of TypeScript. Original designer of C#, Delphi, and Turbo Pascal.

  • Microsoft
  • Redmond, WA, USA
  • 371
    Total stars
  • 17K
    Followers
  • 4
    Public repos
  • 408
    Contributions

0 following

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Profile tree

  • 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
Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Mon Wed Fri
Less More

Language distribution for ahejlsberg JavaScript 99.7%, TypeScript 0.3%, HTML 0.0%
  • JavaScript 99.7%
  • TypeScript 0.3%
  • HTML 0.0%

Frontend Backend Mobile DevOps Data AI Security Embedded Game Dev
  • 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.

PLE-demos

Demos from my Programming Language Experts talk, Apr 2021

TypeScript 52 ★ 4 forks 1 issues 11d ago
GitHub

All repositories →

Technology breakdown

Derived from repository languages and topics - horizontal bars, never a pie.

Languages

  • JavaScript 100%
  • TypeScript 0%
  • HTML 0%

PDF रिज़्यूमे डाउनलोड करें

आपके प्रोजेक्ट और कौशल GitHub से पहले ही भर दिए गए हैं। जो GitHub प्रकाशित नहीं करता - संपर्क विवरण, अनुभव और शिक्षा - वह जोड़ें और एक पेज का ATS-सुरक्षित PDF एक्सपोर्ट करें।

आप जो कुछ भी टाइप करते हैं वह इसी ब्राउज़र (localStorage) में रहता है। कुछ भी अपलोड नहीं किया जाता।

अपना विवरण जोड़ें
संपर्क
अनुभव
शिक्षा

PDF एक्सपोर्ट एक मानक PDF फ़ॉन्ट का उपयोग करता है जिसमें देवनागरी ग्लिफ़ नहीं हैं, इसलिए उसके सेक्शन शीर्षक अंग्रेज़ी में ही रहते हैं। Word (.docx) एक्सपोर्ट पूरी तरह अनूदित है - इस भाषा में रिज़्यूमे के लिए उसका उपयोग करें।

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

Coding statistics

→
Largest repository
10.3 MB
typescript-build2016-demos
Smallest repository
7 KB
PLE-demos
Oldest repository
Apr 12, 2016
typescript-build2016-demos
Newest repository
Sep 10, 2021
tsconf2021-demos
Most starred
153 ★
tsconf2020-demos
Most forked
27 forks
typescript-build2016-demos
Most watched
7 watchers
typescript-build2016-demos
Longest description
57 characters
PLE-demos
Most open issues
1 open
PLE-demos

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

→
  1. April 2013

    Joined GitHub

    Created the @ahejlsberg account.

  2. April 2016

    Created first repository

    Published typescript-build2016-demos, the oldest repository still on the account.

  3. April 2016

    First starred repository

    typescript-build2016-demos is the earliest-created repository to have earned stars.

  4. September 2021

    Latest repository

    tsconf2021-demos is the most recently created repository.

  5. 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
typescript-build2016-demos
2020

Shifted from JavaScript to TypeScript.

TypeScript
Repos this year
1
Total repos
2
Stars, as of today
252
tsconf2020-demos
2021

Went deeper into TypeScript.

TypeScript
Repos this year
2
Total repos
4
Stars, as of today
371
Contributions
182
tsconf2021-demos

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.

1 repositories created in 2016 1 repositories created in 2020 2 repositories created in 2021 1 total repositories by end of 2016 2 total repositories by end of 2020 4 total repositories by end of 2021 2016 2020 2021 4 0
Created that year Cumulative total

Language tree

Built automatically from repository languages and topics.

Programming Languages →
  • JavaScript
  • TypeScript
  • HTML