No affiliate program, but they send little gifts to Toggl fans who recommend them publicly. People can submit their postal address to their support email.
Earn Evernote points by referring friends, your friends get 1 month premium when they sign up, Points can be redeemed for various rewards, among them free premium months, but also individual features, More complicated than e.g. Trello
Share Slack with another team and they'll get a 100$ credit when they sign up. If they upgrade to a paid plan you get 100$ credit as well., Incentivizes the new team to stick with the paid plan from the start, If features such as integrations can't be retained in free plan after credit is gone, free users might not be inclined to go for this offer
A ‘3-month free’ reward for both the sender and recipient, Targets already paying users as well as trial users, referral program placed in the main dashboard experience, Relatively simple and straight forward
When a new user is referred, both the referrer and the new user get 20$ credit, which basically equals one free ride for both, Simple, clear message, Easy to share, Instant value
Have cash incentives
People first have to join an affiliate network
Earn 15-25% commission for sales of paid Skype products
Program closed in 2015
Earn 15% per sale on certain Mindjet products
Not sure if program still active
Rider Referrals: Drivers earn cash when inviting new riders. They get paid every time someone takes their first ride
Referral earnings are included on the driver's weekly payment statement
Get 20% commission (recurring) for paid users you refer
For every person you get to join Trello, we'll give you a free month of Trello Gold, up to 12 months., Simple, straight forward, instant value, Gives them a taste of the Pro plan that might eventually get them to sign up for good
For every friend who joins and installs Dropbox on their computer, we'll give you both 500 MB of bonus space (up to a limit of 16 GB)!, Similar to MM bonus map program, Extra space can be retained, it's key to usage and enjoyment of the product, 35% of daily sign-ups are via the referral program
Invite 3 friends and get 3 months for free if they sign up, What happens when the paid subscription runs out is a bit confusing..., Sets the bar pretty high, Program not visible other than in the user settings
Invite your friends, get 25$ when they take a trip and 75$ when they rent out their place, Targets both hosts and travellers, High visibility, mobile optimized, uses new channels such as Whatsapp, Referrals drive 900% year-on-year growth for 1st time bookings, In South Korea, 30% of their first time bookings come from referrals., It took a 5 person team (with lots of borrowed help!) 3 full months and 30,000 lines of code to do Airbnb’s Referrals 2.0 system.
Get up to 10 extra free mind maps for inviting your friends, every sign up gets you one map!, Simple and straight-forward, Free maps are retained forever, If free user turns into paid user at some point, he can use his referrals to get cash instead of the free maps
Possible reasons could be: The new user is invited by the existing user in order to collaborate with him. The new user trusts the recommendation of someone he knows more than for instance a random tool he finds through Google ...
In app (e.g. in Account menu dropdown)