#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.

#Lyra
Lyra (project for purchaser loyalty rewards on blockchain) started testnet with rewards, which will enough to stake the node on mainnet once it’s launched.

#Meter
Attention for Meter Warring Stakes participants. For getting validator rewards you need complete KYC.

#HOPR
HOPR network in conjunction with USD stable blockchain xDai started public incentivized testnet. Prize fund 100k HOPR for top 20 participants.

21 September Solana will start stage 8 of their testnet Tour De Sol. Estimated stage duration 4 weeks. Registration closes the 20 September 8:00am PT.
#Solana

The new phase of Desmos Validators Program was launched September 21. This incentivized program running until the Desmos mainnet is launched, aprrox. 3-6 months. Rewards will be awarded on a monthly basis for node uptime.
#Desmos

NOIA releases six months roadmap for mainnet launch:
https://medium.com/noia/noia-releases-roadmap-for-launch-d56f11cc46e6
#NOIA

First part of Bifrost incentivized testnet named Asgard CC3 will start today September 24 at 04:00 UTC. Next parts will open on September 30 and October 10 respectively.
#Bifrost