From Viz:
In the 21st century, just when the human race needs new heroes, the Lucifer Hawks enter Earth's dimension. The members of the A.M.P., six young women with incredible powers, are set to defend the human race against these monstrous entities from another world.

From DrMaster:

Hiro is a high-school student refusing to go to school after a traumatic run-in with the local bullies. But his feeble life is forever changed when, one day, he applies online for a new gadget called "JUNK".

In the year 2038, a group of scavengers enter the complex of the renegade Kyron-5 in search of precious element Texmexium. Death befalls each one until only the mechanic Brooklyn is left. He meets a stranded Texas Air Ranger and two children living in the rubble. They must destroy Kyron-5 in order to escape and to save humanity from its wrath. Brooklyn discovers a GUNHED (Gun UNit Heavy Elimination Device) combat robot and restores it. Meanwhile, Babe has been transformed into a bio-droid and is seeking out Sergeant Nim and the Texmexium she stole. In order to save her and destroy Kyron-5, Brooklyn must overcome his fear of cockpits and pilot the GUNHED all the way to the top of the tower. On the way, he faces the combined defenses of the complex.

In A.D. 1997. Having failed to conqer the Earth, Compiler and Assembler from Another World settle down in the residence of Nati and Toshi Igarashi whom they choose as their partners. As they start their literally unworldly community life, various Sudaran assassins arrive from Another World one after another to attack Compiler and Assembler, until, in good time, all of those begin to turn into old memories... Yes, in 2000, the last year of the century, Assembler has started to lead quite a different life --- a life as a "human being"...

COMPILER is a story about the Igarashi brothers Nachi and Toshi, and two beauties from another dimension, Compiler and Assembler. Originally sent to conquer Earth through a game of destruction and creation, Compiler and Assembler ended up deciding that living in our world is more fun than conquering it. They moved in with Nachi and Toshi. A growing relationship began to develop between Nachi and Compiler, and Toshi and Assembler, though none of them can bring themselves to admit it outright.
Meanwhile, the people who sent Compiler and Assembler to conquer Earth were outraged by their apparent betrayal. They sent two assassins, Bios and Directory, to deal with the renegades and proceed with the invasion plan. And so, the misadventures begin...

A school girl gains self-confidence, new friends, and a cache of chic outfits when she becomes the computer-programming magical girl, Corrector Yui. She must stop the rogue A.I. Gurossa (Artificial Intelligence computer program) and his hench-programs from taking control of the global computer network. In this future, all human activity is supported by computers, so it's possible to control the world using the network.

Important note: There are two versions of the Corrector Yui manga series. This is the original one that was written and drawn by Kia Asamiya and published by Shogakukan in Japan and does not have a release date in the States yet. The Corrector Yui manga published by Tokyopop is done by shojo artist OKAMOTO Keiko and is a manga adaptation of the anime series.

From CPM:

An alien armada from Jupiter has amassed enough power to destroy all of Earth's defences. Earth's final hope lies in the Space Battleship Nadesico, a ship created using recently discovered extraterrestrial technology.
Can the Nadesico's rag-tag crew overcome their idiosyncrasies and defeat the alien fleet, or will Earth's last hope be lost?

The manga differs greatly from the anime

A manga about general car appreciation, or "Car Life" as it is known to auto enthusiasts.
The main character's father passes away. On the will states that each of the three siblings receives a portion of the father's wealth. The main character receives a Porsche Carrera. She doesn't know what a Porsche Carrera looks like, didn't know the car company Porsche, can't drive a manual and had absolutely no interest in cars, at the time. You can follow along and find out what some car enthusiast do.