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JelteF
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Jelte Fennema-Nio
@JelteF
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🇳🇱 Amsterdam, Netherlands
@motherduckdb
Profile age: almost 14 years
Updated 8 days ago
345 followers • 13 following
Contacts
@JelteF
@jeltef@mastodon.social
@jeltef.nl
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Profile Overview
Global
Netherlands
Beginner
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Advanced
Expert
Master
Elite
Legend
Global Rank
Legend 4
Persona
Contributor
#7,685
#361
#27,341
Explore Ranks
Top 3 Languages By Stars
All Languages
Top 5 Repositories
PyLaTeX
2,345
298
12
updated about 1 year ago • age over 11 years
Python
98.4%
Shell
1.6%
derive_more
1,990
140
8
updated 28 days ago • age over 9 years
Rust
100.0%
pg_human
Archived
27
2
updated over 2 years ago • age over 2 years
Rust
100.0%
defaultmap
24
6
1
updated 6 months ago • age over 8 years
Rust
90.7%
Shell
8.0%
PowerShell
1.3%
bottor
Archived
5
0
updated over 11 years ago • age over 11 years
CSS
50.7%
JavaScript
27.0%
Python
17.4%
TeX
4.9%
View all 16 repositories
Last Contributions
2025
duckdb
3 PRs
+60
-5
C++
33,184
2,625
52
pgbouncer
2 PRs
+16
-18
C
3,532
517
22
pg_duckdb
~113 PRs
+307
-52
C++
2,582
133
4
ClickBench
3 PRs
+948
-480
HTML
882
229
duckdb-spatial
1 PR
+3
-1
C
619
60
3
View all contributions
Latest Updates
29 Sep 2025
Followers Count:
342
345
15 Sep 2025
Followers Count:
340
342
01 Sep 2025
Followers Count:
337
340
18 Aug 2025
Followers Count:
338
337
04 Aug 2025
Followers Count:
337
338
04 Jan 2025
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