Universal Century 0153. During the war between the League Militaire and the Zanscare Empire, Uso Ewin while alone on a reconnaissance mission happens upon the Zanscare Empire's Newtype squad, and finds himself blind-slighted by a Zoloat, and comes under attack by the mysterious Mobile Armor Zong. However he finds himself rescued by an old junk dealer Grey Stoke. The pilot of the Zolat, who was also rescued alongside Uso is revealed to be a young girl named Kamui Gian.> Part of the Gundam series( http://www.batoto.net/search?name=Gundam&name_cond=c&genres=;e9&genre_cond=and&p=2 )

Updating

It's mainly about two different armies battling each other out with their mechas.

Universal Century 0079. The Battle of Solomon rages and Anavel Gato strikes the Earth Federation Forces with terrible force.> Part of the Gundam series( http://www.batoto.net/search?name=Gundam&name_cond=c&genres=;e9&genre_cond=and&p=2 )

The 1998 official Xenogears 4koma manga.

Updating

The hero is Dr. Kishiwada, a brilliant but demented scientist, who creates bizarre mechas, battles the forces of evil, or just mucks about. There are many parodies of B-grade sci-fi movies and of TV. Crazy, slick, and very funny.

In a world that has forgotten God, demons have begun to appear. Two "angels", in the form of two powerful transforming heroes, have emerged: but they can't cooperate to save their lives, in both ordinary life and when they're fighting evil! "Mad Dog" Segawa, a.k.a the superhero Avalon, is a thug who wants to become a fine and upstanding person in his everyday life. Meanwhile Mitsuki, the hardworking and uptight student council president and daughter of a prestigious family, just wants to shrug off her restrictions and live freely. Neither of them knows that the other is the opposite hero... how will this strange situation play out! From Baka-Updates: This story is about two unique students. One is a infamous delinquent who wants to be a be a gentle person and the other is a smart class president who wants to party and have fun. What do they have in common? They are superheros/angels who fight against monsters in the name of justice!

In Esora, a city built around a colossal radio tower, a young man -- Nishina Kazu -- tires of the unchanging everyday world that he captures on his video camera. One day, as he is video taping some abandoned buildings, there is suddenly an explosion and a girl called Mamiru Ai appears before him. This marks the beginning of the change from the ordinary that he had been hoping for...

From Mobots: Renton is a 14-year-old boy who occasionally helps out his grandfather as a mechanic. But his feelings of dissatisfaction and frustration grows as his mundane and routine work clouds his visions for his future and he dreams of flying around the world. It isn't until one day, a large human-like mech, a LFO (Light Finding Operation), falls from the sky in front of Renton and appearing from the depths of the machine is a beautiful young girl named Eureka. And as she asks the dumbfounded Renton for repairs, the two will embark upon a fantastic journey into the unknown.

Mazinger Angels chronicles the adventures of four women who pilot giant robots in the Mazinger vein. The concept is a spoof on the late 70's and early 80's popular TV series Charlie's Angels. Three of the robots, Aphrodite A, Diana A and Minerva X are from the original Mazinger Z series, while Venus A is from the Great Mazinger series. Their pilots are also traditional characters from Go Nagai's universe, Sayaka Yumi and Jun Hono from Mazinger Z and Great Mazinger respectively, and Hikaru Makiba and Maria Fleed from Grendizer. The style of the manga highlights the sex appeal of both the characters and the mechas, sometimes similarly to the way Aika's female characters are shown. (taken from wikipedia)

From Del Rey: In the near-future on planet Earth, a world gone mad where never-ending war is a fact of life, Kirio is the coolest kid at school. Up in the sky, a giant robot is fighting a fleet of gunships, but the brilliant and distant Kirio is far from fazed - until the battling 'bot makes an unexpected landing in Kirio's front yard and rings the bell. But the worst threat for Kirio could be what stands on the other side of the door: an alien invader robot with the face of an adorable girl!

From Cireus-Anime website: Saiga Junki is a normal high school boy who tends to be a little apathetic in general but who does manage to get better than average grades. When his archaeologist father, who went to investigate some ruins, is found dead, the family travels to the excavation site where Junki meets a mysterious stranger who gives him a ‘gift’: an ancient artifact that his father left for him …

SIN takes place in a post apocalyptic future derived from a universe very similar to ours. The inevitable lack of resources to sustain humanity on Earth had split the world into two warring factions, the United Nations (U.N.) and the New Earth's Alliance. (N.E.A.). After years of unnecessary conflict and technological advancement in weaponry, both sides eagerly stumbled into peace to avoid extinction. Now under the rule of the newly formed United Earth's Federation (U.E.F.) space has become the last hope for the human race. However, with resources more scarce than ever the clock is ticking. How do we decide who's privileged to live and who's not? What happens to those of us left behind? A world now loosely controlled by a single totalitarian government, overrun by gangs, private military groups, freedom fighters, and death; Life seems to provide no more than a fruitless future. Regardless, there are still those of us that fight, we fight each other, we fight the system, we fight for our loved ones... whatever the reason, we battle for answers.

Before the outbreak of the colony war, forces were at work shaping the future and preparing its players for the final game. As children, Heero, Relena, Duo, Trowa, Quatre and Wufei have endured more pain and difficulties than most people experience in a lifetime and would have broken the will of any normal person. Learn their stories and motivations for becoming prominent characters in shaping the future of the world. Each chapter is named after a character and features that character's past/origins. According to Sumisawa (author), the events of Episode Zero were supposed to appear in the TV series, just after episode 27. But due to complications in the production schedule, things didn't go as planned and it was eventually omitted. Episode Zero was created per Ikeda Masashi's (director) request. Reading direction: Right to left

After the war that took place in A.C. 195, each of the protagonists have gone on with their lives, and the gundams put into retirement. As the peace alliance with the colonies push through, a new menace threatens to shatter the peace, and the five gundam pilots are forced into action once again. Blind Target is originally a radio drama that got translated into manga. It is one of the possible events that took place between the series itself and the OVA, Endless Waltz. Other manga titles that also delve into the possible events between the series and the OVA are Battlefield of Pacifists and Ground Zero. All three remain unrelated to one another.

This story takes place on an island named Southern Cross Isle. One night, a boy named Takuto washed up on shore, after having swum from the mainland. He later, enrolls in Southern Cross High School as a senior and makes new friends. However, underneath the school, is a group of mysterious giants called Cybuddies. There are about 20 Cybuddies, and they are just some of the various secrets kept by everyone on the island: The secret movements of the mysterious organization known as "Kirahoshi Juujidan", the songs of the shrine maidens. Takuto himself will soon come to embrace a great secret. from Wikipedia

Sou is a robot created by Doctor Kei who takes care of Ringo, the doctor's son. One day after picking Ringo up from school, they see a man who shares Sou's name confronting the doctor. And what's this? He is the splitting image of Sou?

A collection of six science fiction stories. • 2001 Nights Spin-Off - In the Ocean of the Night • Starship Adventure Star Field Arthurian World • Starship Adventure Star Field The Red Star of Scorpio • Vessel of Wrath • Space Fantasy • Phobos and Deimos • Planet of Fog

From MangaHelpers: The weapons of the future, Metal Vessels, are being developed by different companies. One company, Sigma, has created a vessel that is controlled by two people-- a telepath and an anti-telepath. These two people are the teenage girl telepath, Yuiri, and her friend Io, an anti-telepath. They use their vessel mostly in demonstrations, such as competitive exhibitions with rival company Ciel's newest model. While these vessels may seem to be the way of the future, the technology can also be very dangerous. A serial murderer is on the loose, who chooses targets through a website, and the police are beginning to suspect that the killer is actually using a Metal Vessel... [tethysdust]

It's been 6 months since the L5 Campaign, the conflict that pitted humanity vs aliens with the whole earth sphere at stake; even thought at that time humanity joined forces as a whole and fought valiantly for it's survival, now that the true threat is gone the remains from old conflicts that have kept discord among people from even before the aliens arrived have started to resurface and thus the fight is far from over.... The ATX Team, one of teams that probed pivotal in the L5 Campaign have been "living their usual" being at the mercy of the chain of command and taking part in cleaning up the remainders from the DC war---- but little do they know that again some extraordinary events are brewing up; with the arrival of a strange lady named Lamia Loveless, who seeks help from the team and seems to know more about them than what she should, the path has been set, headed towards a chain of events that might bring forth an even greater conflict that the one from 6 months ago.... Can Kyosuke Nanbu and his team break through all of the opposing forces, yet again?

Manga adaption of the PS3 RPG Ar nosurge.

From VIZ: In 2015, the "Angels" have returned, and Shinji Ikari, a fourteen year-old child of the new Earth, is forced by his father -- Gendo, commander of the secret organization NERV -- to pilot the monstrous biomechanical weapon called "Evangelion" to match the Angels' fearsome power...

From Tokyopop: The One Year War between the Earth Federation and the Principality of Zeon has begun--and the newest Mobile Suits are tested for battle! Captain Matt Healy leads his team into dangerous territory as the leader of a Special Forces Experimental Unit. Ken Bederstadt is a Foreign Legion Lieutenant working in alliance with Zeon. These two heroes are trying to keep everyone alive...for tomorrow! There are 2 editions of this manga, the 2003 edition (same as Tokyopop version) and 2005 "complete" edition with 2 additional chapters - a prequel and a conclusion to the storyline