Here are my favorite picks for anime like Muv-Luv Alternative. Keep in mind the list is in no particular order. Enjoy the recommendations!
Centuries ago, mankind was slaughtered to near extinction by monstrous humanoid creatures called titans, forcing humans to hide in fear behind enormous concentric walls. What makes these giants truly terrifying is that their taste for human flesh is not born out of hunger but what appears to be out of pleasure. To ensure their survival, the remnants of humanity began living within defensive barriers, resulting in one hundred years without a single titan encounter. However, that fragile calm is soon shattered when a colossal titan manages to breach the supposedly impregnable outer wall, reigniting the fight for survival against the man-eating abominations.
After witnessing a horrific personal loss at the hands of the invading creatures, Eren Yeager dedicates his life to their eradication by enlisting into the Survey Corps, an elite military unit that combats the merciless humanoids outside the protection of the walls. Based on Hajime Isayama’s award-winning manga, Shingeki no Kyojin follows Eren, along with his adopted sister Mikasa Ackerman and his childhood friend Armin Arlert, as they join the brutal war against the titans and race to discover a way of defeating them before the last walls are breached. [Written by MAL Rewrite]
Yuji Kaido was diagnosed with a serious disease and cryogenically frozen. He wakes up more than 20 years later—and Earth is nothing like what he remembers. A race of alien bugs called the Blue has taken over the planet, and a few selected humans have retreated to the space station called Second Earth. Yuji is met by a group of humans from Second Earth that is trying to save him. Yuji and this group must survive the Blue-infested Earth and fight their way back to Second Earth. Things are not as simple as they seem, as the Blue are both powerful and mysterious, attacking only humans. (Source: ANN, edited)
The year is 1944 and the world lives in fear of unidentified flying objects called Neuroi. With the old-boy old guard unable to thwart this deadly menace, humanity turns its desperate eyes to an aerial attack force with much nicer legs. Meet the girls of the 501st Joint Fighter Wing, better known as the Strike Witches. These darlings of the great blue yonder may not have standard issue uniforms, but they do have all the right stuff. Where the average flyboy falters, these dolls blast aliens to bits in the bat of an eyelash. With a little magic and a whole lot of leg, the girls of the 501st are winning the war on pants, and aliens! (Source: Rightstuf)
Japan engineered an armed powered exoskeleton “Infinite Stratos” (IS) and it became the mainstream of weapons. Since only women can operate IS, women dominate the society over men. Orimura Ichika is a 15-year-old boy and accidentally touches an IS placed in the IS pilot training school. He is found to be the only man who can operate IS and forced to enter the training school. Ichika’s busy school life surrounded by girls has begun. (Source: MyAnimeList)
It began in 1945, at the end of the Pacific War. Alien invaders filled the earth’s Skies, and mankind was forced to confront an unprecedented threat. For the first time in human history, people of all cultures came together under one banner.
This war has now been raging for over fifty years. Countless lives have been lost, and the Japanese military is now forced to rely on young people such as Atsushi Hayami and his high school class, also known as Unit 5121. This new generation fearlessly struggles on with the aid of the HWT humanoid combat machines and the devastating PBE bomb. (Source: Media Blasters)
It was in the year 3394. The solar system was long destroyed by a strange alien race called Gauna. Now humans are barely maintaining population in their “seed ships” – the ones they also used to escape a thousand years ago. After several years of drifting though space, Sidonia, a seed ship with a population of over 500,000 people, is once again threatened by Gauna. Follow Nagate Tanikaze, a mysterious young man from the deep corners of the ship, and his friends as they try to strike back against these gigantic creatures and at the same time learn what they really are for the sake of humanity’s survival! (Source: MyAnimeList)
In the distant future, mankind is divided into two factions: Union and Deague. They have waged a war against each other for so long that no one remembers when it first began. The backbone of the Union military is the manned weapons system Strain, while the Deague uses an unmanned version, the Tumoru.
Sara Werec, the daughter of a respectable family, is a 16-yearold girl who attends Grapera Space Armed Soldier Academy located in the Cranial Solar System, where she is training to become a full-fledged Reasoner (a Strain pilot).
Her brother, Ralph Werec, had been sent to the frontline 130 light-years away to accomplish a special mission when she was 11 years old, a distance that requires 400 years of objective time to traverse by even the fastest Union spacecraft. However, in accordance with the theory of relativity, this corresponds to only two subjective years (time as experienced by those within the spacecraft). The two of them had lost their parents when they were young and the bond between the two is very close. It is Sara’s dearest wish to be reunited with her brother. To do that, she must travel to the battlefield where he is. (Source: AnimeNfo)
True Calendar (T.C.) 71—a new age where 70% of the human population lives in space thanks to the development of “Dyson Sphere”, a city in space.
The world is divided into two main powers: The Dorssia Military Pact Federation, a power which grew out of a military alliance, and the Atlantic Rim United States (ARUS), which grew in power as it expanded its trade agreements. The minor nation of JIOR has declared neutrality between these two forces and maintains its peace through economic prosperity.
Within the JIOR’s Sphere, Haruto Tokishima lived an ordinary life as a high school student in the division known as “Module 77″—until the Dorssian military begins their sudden invasion!
But the whole world will be shaken when Haruto meets the mysterious humanoid weapon, Valvrave! (Source: Aniplex USA)
Decades into the future, humanity is under siege by an alien race known as the Novas. These inhuman beings leave devastation in their wake whenever they appear, with the efforts to stave them off becoming known as Nova Clashes. Young women known as “Pandoras” and young men known as “Limiters” are implanted with stigmata to give them superhuman powers and are trained in military academies, where they must learn to work together if humanity is to have a chance of surviving.
Freezing tells the story of Kazuya Aoi as he sets out for his first day at the West Genetics military academy, right when a battle royale is being undertaken by the Pandoras. It is here that he mistakes Satellizer el Bridget—a powerful Pandora known as the “Untouchable Queen”—as his deceased sister and embraces her. Though he costs her the match, she finds that his touch doesn’t drive her away and decides to take him as her Limiter. The only question is whether or not their partnership can survive the machinations of their upperclassmen and the impending battle with the Novas… (Source: MyAnimeList)
References: MyAnimeList, Wiki, ANN