Tokyo International Student Guide
A bunch of friendly students from local universities and collages who are eager to show tourists around. They focus on top spots in Tokyo, but can accommodate special requests. Contact their email address to book.
More focused on the east side, such as the museum, parks and shrines around Asakusa and Ueno. No reservation is required, you just need to show up at one of their Tourist Information Centers and tag along!
For those that love a good walk! See in between the main sites and check out some cool neighborhoods. Tours start from Tokyo station and take visitors to the Imperial Palace East Gardens, among other tourist spots.
Edo Tokyo Guide Group
More of a focus on customised tours, this group can take you anywhere in the city.
Kimi Information Center
This well known company in Tokyo helps foreigners in various ways, but this is their best offering for budget travelers. Their English school students can take you around Tokyo, so you get a guide who is very eager to show you some cool places and provide lots of interesting information. More details here.
Tokyo Free Guide
Another well known service in Tokyo is Tokyo Free Guide. It’s a free guide service with the aim to encourage cultural exchanges between Japanese people and foreigners. Services are available in multiple languages, such as English, French, Italian and Spanish.
Free tour guides in other cities can be found here.