This is not the only list if where you can earn bitcoin. There are many ways that you can make bitcoins here or from outside the forum.

The other one is CPA (Cost Per Action) and make bitcoin by getting leads. There are some network that offers bitcoin as payment, check these 2 thread https://bitcointalk.org/index.php?topic=1811251.0 and this one https://bitcointalk.org/index.php?topic=790216.0

The other network is Peerfly they are also paying bitcoin as payment, but this one has a higher rate than the other network.

You can also earn bitcoin by captcha typing there is some website that offering this task and pay for bitcoin.

The rate is cheaper, but if you can solve captcha faster you can earn more bitcoins here.