PSP Tool is a multi-purpose application designed for the PlayStation Portable console to perform various general management functions with the console. Initially PSP Tool was designed just for extracting the IPL from the Memory Stick but has since expanded and incorporates many other diagnostics functions.

Changes:

Added: Detection of HEN version under System Information (thanks to Davee).
Added: Detection of TA-088v3, TA-090 and TA-090v2 motherboards under System Information.
Fixed: Made a change to improve the reliability of extracting an IPL using the first option.
Fixed: If the original PSP firmware version cannot be retrieved “N/A” will be shown instead of nothing.
Fixed: Crash if circle is enter.
Fixed: The battery menu can no longer be accessed if the PSP does not support reading/writting to the battery EEPROM.
Other: Changed the wave style used.
Other: Decreased RAM usage by a massive ~2MB.

http://forums.qj.net/psp-development-forum/155772-release-psp-tool-1-00-a.html

PSPKVM is a Java 2 Micro Edition (J2ME) CLDC/MIDP Emulator for the Sony PSP.

Changes:

Bugfix for ‘Default CPU speed setting doesn’t work’ (tracker ID 2812036)
Bugfix for Sony Ericsson 480×272 profile issue (tracker ID 2812032)
Bugfix for ‘QWERTY board opens allcaps’ (tracker ID 2806367)
Bugfix makes available missing top half of Unicode page 0 in built-in font (Adds common accents incl. acute, grave, circumflex, umlaut over Roman characters)
Added most of Unicode page 1 (Latin Extended 1) to built-in font (Adds less common accents and characters for most languages using Roman alphabets)
Added clipboard/text selection support to the virtual keyboards
Added interface so MIDlets can request and receive events signalling raw PSP control state
Added a semichordal virtual keyboard implementation (fast input, diacritics support). See notes below re use.
Improved alpha blending for TrueType font rendering–smoother blends.
Support multi-language in Sony OSK input method

http://www.pspkvm.com/

Portable Bubble is a clone of the famous game Puzzle Bubble.

http://forums.qj.net/psp-development-forum/155262-portable-bubble-v1-0-0-a.html

PSP Press is a simple button pressing game for PSP.

http://forums.qj.net/psp-development-forum/155339-release-psp-press.html

This game’s objective is simple: You have to count all the cars that pass. If you manage to count them all you will pass level, and if not you’ll have to re-start the level.

This is a demo version with only 3 levels.

http://forums.qj.net/psp-development-forum/155464-release-clickr-vdemo.html

Homebrew Shortcuts Plugin for M33 (Beta 1) is a little CFW plugin for M33 that let you assign key combinations to launch your favorite homebrews from the XMB.

http://forums.qj.net/psp-development-forum/155431-beta-release-homebrew-shortcuts-plugin-beta-1-m33.html

PSN License Manager allows you to manage your PSN licencse.

Features:

Backup your PSN license.
Restore your PSN license.
Delete the backup license on the memory stick.
Toggle USB Mass Storage.
Up to 30 PSP support.

Licenses can only be used on ONE PSP!

http://forums.qj.net/psp-development-forum/155421-release-psn-license-manager-0-22-a.html

This is a simple plugin that either puts your PSP in sleep mode or turns it off. Instructions, controls and installation is included in the readme.

http://forums.qj.net/psp-development-forum/155455-release-power-prx.html

RPS PSP is a simple version of that game you all played in school or like me still make a competition with my school mates.

It’s very easy to understand:
Square: Rock
Cross: Paper
Triangle: Scissors

Changes:

– now one LUA Script
– choose between three audio tracks
– sound when choosing rock, paper or scissors
– selfmade PSP symbols

http://forums.qj.net/psp-development-forum/155308-release-rps-psp.html

LuaPlayer Euphoria is another enhanced LuaPlayer for PSP. Please check the release thread for more information.

http://forums.qj.net/psp-development-forum/155369-release-luaplayer-euphoria-v5-ogg-dialogue-support-bit-more-speed.html