[FREE][TOOL] PokePeek for Pokémon GO

The PokePeek app is very helpful for Pokémon GO players. It allows players to inform each other about present and future PokéStop or Gym actions. This has many benefits.
For example, it makes it easy for you and your (un)known fellow players to attack a foreign Gym at a certain, planned moment. Note that only players of the same team will be informed about a planned attack!
As another example, it allows you to inform fellows of the same team about a Gym that is out of their sight. Also lures can be reported or planned.
You can find PokePeek at the Google Play Store.

PokePeek has been updated with a new feature dealing with friends!
You can find now other trainers and invite them to become friends. You can also put your (approximate) location on the map so that you will receive invites.