[[https://futureboy.us/stegano/decinput.html | Steganografie Online]]

[[https://manateeworks.com/free-barcode-scanner| Barcode, Qr-Code und diverse andere ]]

[[https://online-barcode-reader.inliteresearch.com/|Barcode]] 

[[https://products.aspose.app/barcode/de/generate|Diverse Barcodes erkennen oder generieren]]

[[http://www.surfpoeten.de/sudoku?s0=&s1=5&s2=&s3=4&s4=2&s5=&s6=7&s7=&s8=&s9=4&s10=&s11=&s12=&s13=&s14=&s15=5&s16=&s17=&s18=&s19=2&s20=&s21=8&s22=&s23=&s24=&s25=&s26=4&s27=&s28=&s29=&s30=7&s31=&s32=8&s33=&s34=&s35=3&s36=&s37=7&s38=1&s39=&s40=&s41=&s42=2&s43=8&s44=&s45=9&s46=&s47=&s48=3&s49=&s50=2&s51=&s52=&s53=&s54=2&s55=&s56=&s57=&s58=&s59=9&s60=&s61=1&s62=&s63=&s64=&s65=4&s66=&s67=&s68=&s69=&s70=&s71=6&s72=&s73=&s74=5&s75=&s76=4&s77=6&s78=&s79=3&s80=&max=1&new=Neue+Aufgabe&id=9#answer|Sudoku-Solver]]

[[http://homepage3.nifty.com/funahashi/game/game659eng.html|Sudoku Solver bis 25x25]]

[[http://www.samurai-sudoku.com/|Samurai Sudoku Solver]]

[[http://sudokuspoiler.azurewebsites.net/IrregularSudoku/ | Irreguläre Sudoku Sovler ]]

[[http://a.teall.info/nonogram/|Nonogram]]

[[http://www.m-ehrlich.de/KaKuRo/H2-1.12/KaKuRo.html|Kakuro Solver (Java Applet)]]

[[https://www.dcode.fr/kakuro-solver|Kakuro Solver]]

[[http://www.mlsite.net/neknek/| Ken Ken]]

[[https://tirl.org/software/kenken/|Kenken]]

[[http://enigma.louisedade.co.uk/enigma.html|Enigma]]

[[https://v2.cryptii.com/enigma/text|Enigma ohne Steckverbindungen]]

[[https://people.physik.hu-berlin.de/~palloks/js/enigma/enigma-u_v20_en.html|Universal Enigma]]

[[http://magiceye.ecksdee.co.uk/|Magic Eye Solver]]

[[http://www.jsingler.de/apps/logikloeser/index.php?language=de|Logikals]]

[[http://www.falstad.com/circuit/ | Stromkreis-Simulator (frei konfigurierbar)]]

[[http://www.sengpielaudio.com/Rechner-parawid.htm|Parallele Widerstände Rechner]]

[[https://www.kryptographiespielplatz.de | Diverse Chiffren und Kodierungen]]

[[https://www.dcode.fr/baudot-code]]

[[https://www.mathepower.com/index.php|Kugel- Kegel- Dreieckrechner usw.]]

[[http://hidoku-solver.appspot.com/|Hidoku]]

[[https://morsedecoder.com/|Morsecode]]

[[https://md5decrypt.net/en/|(Md5)(SHA)Hash Decoder]]

[[https://www.cmd5.org/|(Md5)(SHA)Hash Decoder]]