Here are my favorite picks for anime like Aquarion Evol. Keep in mind the list is in no particular order. Enjoy the recommendations!
By the 71st year of the True Calendar, humanity has expanded its reach to the stars. The nations of JIOR, ARUS, and Dorssia have set up colonies made of individual modules in space, each serving to house more than half of mankind. Yet, war is still being waged between ARUS and Dorssia, each looking for a way to break the stalemate in their favor, and the key to victory happens to be nestled within a lone JIOR-controlled module.
Kakumeiki Valvrave opens with an average day in the life of Haruto Tokishima being turned upside down as Dorssia launches an invasion of the Sakimori Academy, hoping to claim the secret weapons that lay hidden within it—the powerful combat machines known as the Valvraves. To liberate their home, Haruto and four others sacrifice their humanity and bear the curse of the Valvraves, becoming undying immortals that can steal the body of others. Together, with the aid of L-elf, a genius-strategist and traitor to Dorssia, they’ll spark a revolution that will change the world. (Source: MyAnimeList)
Renton Thurston is a 14-year-old boy who lived with his mechanic grandfather in a backwater town. Every day he dreamed of being with the mercenary “Light Finding Operation (LFO)” aircraft pilot group “Gekkostate” and riding “Trapar” particle waves—a sport called “reffing”—with their charismatic leader Holland, especially when faced with his father’s acclaimed past or his grandfather’s desire to protect him. When a young girl named Eureka riding the original LFO, the “Nirvash typeZERO,” asks his grandfather for a tune-up, she inadvertently brings the attention of the military to the garage; as a result, the garage is destroyed and Renton is forced to deliver a new type of interface—the “Amita Drive”—to the Nirvash. After a heated fight in which the Nirvash destroys the military LFOs by unleashing an immense amount of power, Renton is invited into Gekkostate. However, he quickly realizes that behind the facade of a traveling group of mercenaries is a very bitter reality. (Source: ANN)
To the south of Japan, there lies a lush green island called Southern Cross Isle. One night, a boy by the name of Takuto Tsunashi washes up on the shore of the island. Having swum from the mainland alone and without any possessions, he enrolls in the senior high level in the school on the island – Southern Cross High School.
With his bright and positive personality, he starts to mix with various students in the school and builds relationships with many of them, including Wako Agemaki and Sugata Shindou. But this school hides a deep secret. There are sleeping giants hidden under the ground called “Cybodies”.
There are about 20 of these giants, and they are just some of the various secrets kept by everyone on the island: The secret movements of the mysterious organization known as Glittering Crux. The songs of the shrine maidens. And even Takuto himself will soon come to embrace a great secret…
This island in the southern territories surrounded by the blue sea and the blue skies is the stage where the “Eulogy of Youth” filled with love, dreams and friendships, will begin. (Source: MyAnimeList)
Life sucks for Hibiki. Intergalactic society has broken into civil war between males and females; he’s stuck on the assembly line for war mecha, relentlessly teased by his co-workers and unable to pursue his dreams of building his own mecha one day. He finally decides he’s had enough though, and attempts to break in and steal a mech for his own purposes; this turns out to be a bad idea, thrusting him into the middle of a fever-pitch space battle that brings him face to face with the enemy and launches him into an adventure that will change his mundane life forever. (Source: AnimeNfo)
Japan, 2039. Ten years after the outbreak of the “Apocalypse Virus,” an event solemnly regarded as “Lost Christmas,” the once proud nation has fallen under the rule of the GHQ, an independent military force dedicated to restoring order. Funeral Parlor, a guerilla group led by the infamous Gai Tsutsugami, act as freedom fighters, offering the only resistance to GHQ’s cruel despotism.
Inori Yuzuriha, a key member of Funeral Parlor, runs into the weak and unsociable Shuu Ouma during a crucial operation, which results in him obtaining the “Power of Kings”—an ability which allows the wielder to draw out the manifestations of an individual’s personality, or “voids.” Now an unwilling participant in the struggle against GHQ, Shuu must learn to control his newfound power if he is to help take back Japan once and for all.
Guilty Crown follows the action-packed story of a young high school student who is dragged into a war, possessing an ability that will help him uncover the secrets of the GHQ, Funeral Parlor, and Lost Christmas. However, he will soon learn that the truth comes at a far greater price than he could have ever imagined. [Written by MAL Rewrite]
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)
Simon and Kamina were born and raised in a deep, underground village, hidden from the fabled surface. Kamina is a free-spirited loose cannon bent on making a name for himself, while Simon is a timid young boy with no real aspirations. One day while excavating the earth, Simon stumbles upon a mysterious object that turns out to be the ignition key to an ancient artifact of war, which the duo dubs Lagann. Using their new weapon, Simon and Kamina fend off a surprise attack from the surface with the help of Yoko Littner, a hot-blooded redhead wielding a massive gun who wanders the world above.
In the aftermath of the battle, the sky is now in plain view, prompting Simon and Kamina to set off on a journey alongside Yoko to explore the wastelands of the surface. Soon, they join the fight against the “Beastmen,” humanoid creatures that terrorize the remnants of humanity in powerful robots called “Gunmen.” Although they face some challenges and setbacks, the trio bravely fights these new enemies alongside other survivors to reclaim the surface, while slowly unraveling a galaxy-sized mystery. [Written by MAL Rewrite]
After being threatened by extinction at the hands of alien invaders called the Zentradi, humanity undertook the task of guaranteeing itself a future by launching fleets of colony ships into space. On Macross Frontier, one such fleet, high school student Saotome Alto’s life is changed forever: the fleet is suddenly attacked by unidentified creatures while he is performing aerial stunts for a concert by the wildly popular idol Sheryl.
Alto quickly finds himself in the cockpit of a new-model fighter struggling to protect Ranka Lee, a young girl he met only hours earlier, from the invaders’ swath of destruction. Noting his performance during this incident, the S.M.S. Skull Squadron private military company invites Alto to join their organization, where he continues protecting his friends and Macross Frontier. (Source: Anime-Planet)
References: MyAnimeList, Wiki, ANN