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Airsequel
Airsequel automatically generates a complete GraphQL API
and provides a spreadsheet UI, a SQL workbench, cloud functions,
and a dashboard builder for your SQLite databases and CSV files.
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TaskLite
Full fledged CLI task manager built with Haskell and SQLite.
I repeatedly lost tasks with Taskwarrior
due to bugs and syncing issues and
wanted something with a better workflow.
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Perspec
Scriptable desktop app to correct the perspective of images.
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Transity
Transity is a full fledged CLI based plain text accounting tool.
Used for Feram's and my personal finances.
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RosettaGit
RosettaGit presents solutions to coding challenges
in as many programming languages as possible.
Started out as a fork of Rosetta Code.
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Feram
I co-founded Feram in 2017 and initially we developed
a code liniting service until early 2019.
It let developers find bugs in their code
by automatically checking every commit
with several dozen linters & code analysis tools.
Afterwards it transformed into a software agency and
is now the legal entity behind Airsequel.
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educatopia
I started Educatopia
in 2013 during university because
I was annoyed that there was no simple wiki like
platform to share exercises (plus hints & solutions).
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Shaven
A DOM building utility and template engine
where the virtual DOM is represented as nested arrays.
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Fakesome
Create fake data to populate databases, build API prototypes,
train neural networks or generate names for your cats.
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Timeomat
Clock, Alarm, Stopwatch & Timer. All in your Browser.
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Schifferpatent
When I trained for my sailing license for Lake Constance in 2011
there were no good resources available except expensive books,
so I built a website.
I also started to build an English version:
sail-guide.com
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bitcoinate
Add a button to your website to display your Bitcoin address
in order to receive donations.
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vectual
A simple to use charting library originally implemented
in JavaScript, but which I recently started to reimplement
in elm.
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Life Is Short
A short reminder how precious each week of your life is.
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UTCify
Simple online converter to convert all date formats to UTC
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CSStab
A simple documentation page
listing all CSS properties and selectors.