Java

FastLZ-Java - The FastLZ Compression Algorithm in Java
Crypto-Java - Cryptological Things in Native Java of a lesser known variety
jSQLITE3 - A light minimalistic wrapper to SQLite3 using JNA
jCURL - A light minimalistic wrapper to libcurl using JNA
jMarkov - Markov Implementation in Java for amusement and emulation of my daily messages
jtar - Simple pure Java implementation of manipulating tar files
SieveEratosthenes - Sieve of Eratosthenes in java, you can download the generated primes here.
atomikron - Packet Logger / Analysis Streaming Live Into SPLUNK
jGab - Unofficial API interface to Gab
jdbtool - Import and Export tool for SQL Databases (Maria & PostgreSQL) via JSON

Python

MagicSquare-Stackless - Magic Square algorithm using Stackless. I wrote this because I wanted to explore the technical aspects of how stackless worked.
Python-Utils - Misc Python Stuff

memdrv-win32 - Read/Write blocks of memory w/dynamic allocation
cidr-rdns - Mass rdns of ip blocks by cidr using c-ares
bfwin32-c - A BF Interpreter in C for Win32 Enviroments
Pandora-OOC - An Object-Oriented ANSI C Framework to obfuscate and prevent static and/or live executable analysis

MessagePack-C - My Implementation of Message Pack in C
lzh-improved - Improved version of an old lzh compression library to allow safe threading
Base32 - Base32 Encoding / Decoding in C