Very simple and small application:
Shows the amount of electrical current available to the phone via a USB connection.

Memory Booster is a powerful mobile Memory & RAM boosting tool specially designed for Android smartphone users. It is a handy memory optimizer tool that will keep your Android smartphone running faster and efficiently. It increases your cell phone's performance by making more memory available for both your applications and the mobile system.

Ciacs is a contact sender.
Easily send multiple contacts to multiple recipients.
-Send/receive business cards via SMS
-Integrated with Contacts app on Eclair
-Can recognize contact from paint text SMS
-Option to save sent SMS
-Supports plain text, csv and vcf formats for email

Water and steam properties

Open Source easy to use dice roller for Android platform. Simple DiceRoller is licensed under GNU GPL v3.

As also found in the official Google Android Market:

This application is a call minutes, sms, mms and data usage meter to monitor your credit usage. Never exceed your quota again!

Supporters unlock: free times/contacts/groups; widget; usage log; greater configuration of plan inclusions + more. A free 5 day trial is offered.

Please report bugs!

Please visit http://creditusage.matthewwardrop.info for more information.

* This is FREE and only does as described! PRO version does more, is featured on Life Hacker and recommended by Motorola. Best and cheapest! *

Browse, download and stream individual files that are on your Android device, using a web browser via a WiFi connection.

No more taking your phone apart to get the SD card out or grabbing your cable to access your camera pics or copy across your fave MP3s.

This app will enable your Android Market App to browse/buy paid apps, no matter which country you are located in, or which operator you are using.

ATTN: runs on rooted devices only!

Please see http://cohortor.org/paidappsenabler for more.

Enjoy!

FlashDroid is an open source educational app to convert your screen into a bright flashlight. Want to learn how to make an app like this?

Remotely control your camera via SMS messaging to take photos or record videos, and then email images automatically to any address.

What will you spy on?

Stream video and audio from your Android device’s camera directly across your Wi-Fi network in real-time, to be viewed and remotely controlled in a web browser or on another Android device. Can be used as to spy on people, a serious surveillance device or just for fun!

What will you LiveStream?

Turn your Android phone camera or remote camera into a visual motion triggered SpyCam. Your phone or remote camera will auto-capture (still photo or video) any motion within its field of vision, and then save or email the photo/video. Can be used as a serious surveillance solution, as this application has already caught several criminals in the act of stealing cars and breaking into houses. Can also be used to take candid snaps of your friends when they don't know they are on camera!

MemoryUp Personal is the lite edition of MemoryUp Pro. This handy Free RAM Booster takes a one-click approach. It makes more free memory available for your mobile system, accelerates memory responsiveness, and keeps your smartphone running fast and smoothly. All by one simple click. At the mean time, MemoryUp Personal is also a free smartphone software and one of the best free Android applications on SlideME, AndAppStore, Handango, MobiHand, and CNET Download.

SeePU shows the current CPU utilization and available RAM in the notification area.

JuicePlotter is a battery usage graph that combines full at-a-glance information about your battery consumption with sheer beauty.

Android Sound Pressure Level Meter using the phone microphone.

•Displays the sound pressure level meter in SPL db
•Displays Maximum SPL value.
•Logs SPL value to an excel sheet.
•Two Modes : FAST and SLOW
•Calibration for both Fast and Slow modes
.Help option on how to use the app
.keeps screen on while app runs

http://www.mobware4u.com

English:

'timeout3g' switch the data connection (H,edge,2g,3g,...) automatically off in order to save power.

Français:

'timeout3g' désactive automatiquement la connexion de données (H,edge,2g,3g,...) pour économiser de l'énergie.

Deutsch:

'timeout3g' deaktiviert automatisch die Daten-Verbindung (H,edge,2g,3g,...) um Energie zu sparen.

English to Morse, Morse to English Translator

Enigmanoid is a Tool to manage and control a Enigma2 based Dreambox SAT Receiver.

This application adds an option to the "Share" menu that lets you upload images directly to a Gallery2 album (http://gallery.menalto.com/). Stores URL, username, password and last selected album so you don't have to enter this more then once.