Birte Friesel (@derf)
github

derf

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  • Stars
    star
    2,004
  • Global Rank 15,361 (Top 0.6 %)
  • Followers 183
  • Following 15
  • Registered almost 16 years ago
  • Most used languages
    Perl
         49.3 %
    C
         22.5 %
    Python
         8.5 %
    Lua
         5.6 %
    Shell
         5.6 %
    C++
         2.8 %
    Eagle     2.8 %
    Assembly
         1.4 %
    Slice     1.4 %
  • Location 🇩🇪 Germany
  • Country Total Rank 990
  • Country Ranking
    Slice     1
    Perl
         11
    C
         43
    Eagle     55
    Assembly
         101
    Lua
         582
    Shell
         1,750
    Python
         7,108
    C++
         7,140

Top repositories

1

feh

a fast and light image viewer
C
1,541
star
2

travelynx

Traewelling-inspired journey logger with realtime data
Perl
118
star
3

db-fakedisplay

App/Infoscreen for Railway Departures in Germany
Perl
65
star
4

Travel-Status-DE-IRIS

(DEPRECATED) Interface to DB IRIS Departure Monitor
Perl
38
star
5

icli

Icinga command line interface
Perl
25
star
6

Travel-Routing-DE-VRR

CLI client for EFA-based itinerary services
Slice
19
star
7

Travel-Status-DE-DeutscheBahn

Commandline Public Transit Departure Monitor
Perl
16
star
8

zlib-deflate-nostdlib

zlib-deflate (RFC 1950/1951) decompressor for microcontrollers
C
15
star
9

vusb-i2c

VUSB based USB → I²C bridge
Assembly
13
star
10

wii-sensors

playing around with Wiimote, MotionPlus and Balance Board
C
12
star
11

Travel-Status-DE-VRR

Interface to EFA-based departure monitors
Perl
9
star
12

vrr-fakedisplay

Show bus/tram departures, LED display-style
Perl
8
star
13

envstore

save and restore environment variables
C
7
star
14

Travel-Status-DE-DBWagenreihung

Inofficial interface to Deutsche Bahn Wagenreihung (wagon order) API
Perl
7
star
15

caretaker

vcs-home implementation
Shell
6
star
16

zsh

personal zsh configuration
Shell
5
star
17

ekgping

electrocardiograph-like graphical and audible ping
Perl
5
star
18

ssh-forcecommand

Simple forcecommand for ssh
Perl
5
star
19

attiny2313

ATtiny 2313 playground
C
4
star
20

dfatool

Python
3
star
21

owi-slave

AVR Onewire slave
Eagle
3
star
22

Travel-Status-DE-DBFahrplan

Playing around with the Deutsche Bahn Open Data Fahrplan API
Perl
3
star
23

ccc.finalrewind.org

CCC-Erfa/Chaostreff Planet
Perl
3
star
24

dthumb

create XHTML index with image thumbnails
Perl
3
star
25

esp8266-nodemcu-ssd1306

ESP8266 Lua/NodeMCU framebuffer + module for SSD1306 OLEDs
Lua
2
star
26

host

minimal DNS/RDNS lookup utility
C
2
star
27

screen

status bar script, used to be for screen, now for dwm.
Perl
2
star
28

db-zugbildung-to-json

Convert wagon order PDFs to JSON
Perl
2
star
29

downloaders

image download scripts for various sites
Perl
2
star
30

nvm

Nahverkehrsmonitor
Python
2
star
31

vulnerable-web

intentionally insecure (and ownable) web services
Perl
2
star
32

esp8266-nodemcu-sds011

ESP8266 Lua/NodeMCU module for SDS011 particle monitor
Lua
2
star
33

Travel-Status-DE-URA

Interface to URA-based realtime departure monitors
Perl
2
star
34

geolocation-to-train

Find train by geolocation, independent of netzradar and similar services
Python
2
star
35

titools

Software related to Texas Instruments TI8x calculators
2
star
36

App-Hashl

hash parts of your files, then leech from slow FTPs without getting duplicates
Perl
2
star
37

debian-utils

Utilities related to the Debian distro
Perl
2
star
38

db-fahrzeuglexikon-parser

Extract images and JSON data from DB Fahrzeuglexikon
Shell
2
star
39

App-Raps2

Password Safe, take two
Perl
1
star
40

Travel-Routing-DE-HAFAS

CLI and API for HAFAS itinerary services
Perl
1
star
41

esp8266-nodemcu-scd4x

ESP8266 Lua/NodeMCU module for Sensirion SCD40/SCD41 COâ‚‚ sensor
Lua
1
star
42

hacklace-utils

Perl
1
star
43

vusb-si2c

VUSB → SI2C (simplified oneway I²C) bridge
Eagle
1
star
44

korad-logger

Data Logger and Viewer for KAxxxxP power supplies
Python
1
star
45

minipart

Very minimal partkeepr clone
Perl
1
star
46

drehgewinnt

Connect Four with extras
Perl
1
star
47

comirror

Generic webcomic mirrorer
Perl
1
star
48

derf-web

personal web services (webfs, pgctl and such)
Perl
1
star
49

devtodo-web

personal CGI for devtodo1
Perl
1
star
50

fuze

Sansa Fuze / Music Player related scripts
1
star
51

blinkencat

ATTiny2313 powered RGB Blinkencat
C++
1
star
52

esp8266-playground

Playing around with ESP8266
C
1
star
53

pyggle

Python Image Gallery for Static Websites
Python
1
star
54

fnordlicht-smd

hacking around in the fnordlicht-20101008 release
C
1
star
55

fdskip

Make floppy drive head seek for various durations
C
1
star
56

randsleep

Execute program after sleeping for a random time
C
1
star
57

blinkdings1

ATTiny2313 thingy with three LED spotlights and speaker
C
1
star
58

tinyrgb

attiny2313 with RGB LED.
C
1
star
59

pgctl

control light and 12V line via parallel port and AVR
C
1
star
60

cocoos-aspectc

AspectC++ port of cocoOS for AOP experiments
C
1
star
61

App-MFM

module-based CUI file manager
Perl
1
star
62

up.finalrewind.org

simple upload webservice
Perl
1
star
63

hacklace-gameoflife

Hacklace patch playing Conway's Game of Life
C
1
star
64

simplestore

Simple storage format for Perl hashes
Perl
1
star
65

tischlicht

ATTiny2313, Analog Comparator experiment
C
1
star
66

App-Slackeria

Project status overview
Perl
1
star
67

is_nighttime

Check whether it is day or night
Perl
1
star
68

Travel-Routing-DE-HAFAS-legacy

HAFAS binary request interface
Perl
1
star
69

multipass

Embedded Library Operating System
C++
1
star
70

visual

Cheap PNG widgets for the lulz
Perl
1
star
71

esp8266-nodemcu-uart-bridge

Lua
1
star
72

dlog-viewer

Viewer and Exporter for Keysight dlog Files
Python
1
star
73

docker-dh-make-perl

Package perl modules for Debian in Docker
Shell
1
star