Chirps

Short posts from my social feed.

• 2026-05-09 @ 18:06

  09 May 2026

  Hi, I'm Karl Ostendorf — software developer in Osnabrück, Germany, originally from Chicago via 20 years in the German countryside.

• hurl HTTP tester

  15 Dec 2022

  Hurl is an HTTP testing tool written in Rust which can test http responses for status code, headers, and even content. Requests can be chained together to test multiple endpoints.

• go-flags

  13 Dec 2022

  TIL go-flags can read environment variables and supports the same option multiple times.

• Drill Load Testing Tool

  11 Dec 2022

  load testing tool written in Rust

• Geziyor Web Crawler

  14 Jun 2019

  Geziyor - a web crawler in Go

• Delta-V

  28 Apr 2019

  Delta-V by Daniel Suarez

• tchap

  23 Apr 2019

  The French government has adopted Riot for official instant messaging

• Mozilla Sync Server

  22 Apr 2019

  Run your own Firefox Sync Server

• Apple Item Tracker

  19 Apr 2019

  Apple rumored to be developing an item tracker

• Mozilla WebThings

  19 Apr 2019

  Mozilla WebThings has been released

• Iota Distributed Ledger

  19 Apr 2019

  Great podcast on the Iota distributed ledger technology and how it differs from blockchain.

• OwnTracks with Gladys

  19 Apr 2019

  Use Gladys as an OwnTracks server

• Headless Chrome Crawler

  07 Apr 2018

  Headless Chrome Crawler - a Javascript crawler using headless Chrome.

• Colly Web Crawler

  05 Apr 2018

  Colly - a web crawler in Go

• Web Scraper in Go

  30 Mar 2018

  soup - a web scraper in Go, similar to BeautifulSoup

• Single Sign-On for Kubernetes

  28 Mar 2018

  Dex - single sign on for Kubernetes CLI clients like kubectl.

• Prettier Javascript Formatter

  12 Jan 2017

  Prettier - finally a formatter for Javascript like gofmt

• Facebook Mail Servers

  11 Jan 2017

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