#Cardano
The Daedalus wallet for the Cardano Shelley incentivized testnet is now available to download. You can start staking your ADA with existing staking pools or setup your own pool.

#Meter
Meter incentivized testnet launched today and validator tournament, named Warring Stakes, started too. Setup your nodes, get test tokens and start staking.

#Elrond
Incentivized phase of Elrond Battle of Nodes testnet is officially over. Nodes can be switch off, but you can still node alive hoping to some presents from Elrond team.

#Solana
The next stage of Solana Tour De Sol testnet will be holding 7 January 2020 at 14:00 UTC. Using GPU is optional, but recommended.

#Nebulas
Nebulas incentivized testnet will be launched on January 8, 2020. Minimal requirements 4 vCPU, 16 Gb RAM, 600 Gb SSD. The prize fund at least 150000 NAS (approx. $57K).

#Cyber
Cyber (or CyberCongress ?), which build decentralized Google, invites to become validators of incentivized public testnet. Recomended hardware requirements: 6 vCPU, 32Gb RAM, 256Gb SSD, GPU with CUDA.

#NuCypher
NuCypher will start first phase of own "Come and Stake It" incentivized testnet at January 20. Estimated testnet durtations 1-1.5 months. Prize fund is 1% of initial NU tokens, recipients are limited to 333. Note that prize tockens will locked for transfer 6 months.

#Bitsong
BitSong incentivized testnet will launch January 24 and will last untill mainnet (ETA Q2 2020). Blockchain based on Cosmos SDK/Tendermint platform.
BitSong is a blockchain music streaming infrastructure.

#Matic
Stage 1 of Matic public incentivized testnet, named Counter Stake, will start at Feb 10 2020. Prize fund $40k, half for nodes uptime, half for bug and other bounties.

#Regen
Regen Network incentivized testnet algradigion-1 will officially end tomorrow Feb 12. The next stage of testnet promised shortly.

#Regen
New round of Regen Network's incentivized tesnet named Cosmwasm Kontraŭa will be held from March 13th to April 17th.

#Solana
Solana will be listed on Binance at 2020/04/09 4:00 AM (UTC). Users can now start depositing SOL in preparation for trading.
Complete tasks and earn up to $1k in SOL tokens!
https://solana.com/airdrop?grsf=nfxjar

#Concordium
New non-incentivized testnet Concordium Blockchain started for public use.

#Cosmos
Cosmos Network started registration to incentivized testnet Game of Zones, which will start May 1, 2020. Registration will close on April 25.

#Akash
Akash started registration of participants to the next stage of own incentivized testnet, which will start Apr 30 2020. Registration opened until Apr 28.

#Filecoin
Filecoin ready to start second phase of their testnet. Phase 2 is non-incentivized and the last major milestone before mainnet launch.

#Poseidon
Poseidon Network released testnet and invited Linux/NAS owners to join. 100 QQQ coins per day promised for running node.

#Near
Near Protocol started incentivized testnet "Stake Wars: Episode II Return of Validators". Main tasks for validators is up to date their nodes.

#Filecoin
Filecoin announced incentivized phase of testnet, it's a final testing for decentralized storage network mainnet. Testnet may begin as soon as early July and will run for a total of three weeks.

#Secret
Phase 1 of the Secret Network incentivized testnet will start July 20th. For starting node your motherboard and CPU must supports Intel SGX (Software Guard Extensions).

#AVA
Avalanche started Everest incentivized testnet. Just run node and make some transactions for getting rewards.