Concordium Incentivized Testnet 3 was launched today, it will last 6 weeks. Participants need to complete various challenges and submit results to Github.
#Concordium

Sentinel incentivised testnet ended for validators. Now you can stop your nodes. Rewards will be calculated with some nuances and will pay after the end of all campaign.
The last part of testnet just for bug finders. It's extended until November 17th 2020.
#Sentinel

The Fetch.ai incentivized testnet will be held from October to February.
The first phase for application testers - from 22 October to the end of November.
The second phase for node operators - end of November to end of January.
The third phase for oracle developers - end of January to mid-February.
#Fetch

The second part of HOPR incentivized testnet, named Basòdino, will start tomorrow 21 October at 13:00 UTC and will run until 4 November. Prize fund 200K HOPR for top 200 participants.
#HOPR

The first part of incentivised action from Fetch started. But for participation in this Agent World 1 (AW-1) you need to stake some real FET tokens.
#Fetch

Crust Network incentivized testnet “Profit Ark” will stat in the middle of November and last to early December. This action requires strong hardware: Intel processor with SGX support, 8Gb RAM and huge HD capacity.
#Crust

IRISnet’s DeFi and interchain Testnet Bifrost has launched Phase-1 on October 19th. Incentives are awarded for completing various blockchain tasks.
#IRIS

Noia notified that incentivized nodes program is over in next Monday. All rewards will be paid. The new node program will be announced later.
#Noia

Bifrost Asgard CC3 testnet is closed today. Now they start to check (?) participants, whatever it means. This process will take up to two weeks.
#Bifrost

Yet another phase of HOPR testnet is ended. New stage Basòdino v2 will start on next Monday 09 November.

November 23 will be launch incentivized part of Phala Network testnet Vendetta for one month. SGX supported CPU and motherboard and also some amount of ERC20 PHA is required for participation.
#Phala

Phase 3 of the INT Chain 4.0 ‘Titans’ testnet will start at block 500000 (approx. tomorrow) and ends at block 1000000 (approx. after 30 days). Prize fund 500k INT (~5k USD). Limited to 100 validator nodes.
#INT

Poseidon QLauncher v1.0 testnet will end November 21. The next stage v2.0 will start after that. If you are willing to provide Linux devices for this test, you need to fill out the registration form.
https://docs.google.com/forms/d/e/1FAIpQLSduc_pvvxaaKoKXONMACr1kQck0m7w_H8F0DxnBPOXEHbqpew/viewform
#Poseidon

Solana announced the 10 Stage of their testnet Tour de Sol, which will be held from 1 to 28 December. If you not participated in previous stages, you need to register before 27 November.
#Solana

The Akashian Challenge Phase 3 will launch on Monday 30 November and run for two weeks. Prize fund 500k AKT (~250k USD). KYC required.
#Akash

Bluzelle started the second part of the incentivized testnet Swarm of Duty II. There is the three-tiered program for node runners and also actions for developers, bug hunters and so on.
#Bluzelle

BitCherry starts to register users and developers to the upcoming testnet. Prize fund 10 million BCHC coins.
#BitCherry

Crypto.com invited validators to the incentivized final Dry-Run before Mainnet launch, which will take place from January 18 to February 15.
Registration is open to 11 January 2021. Fill the form: http://noderunners.biz/r/cryptocom/
#Cryptocom

Oraichain announced validator program, which will be launched December 25 and finished January 26. For participation, you need to collateral 500 ORAI tokens (approx. 5000 USD for today) and start node. Only 50 nodes will be admitted. Weekly based rewards: 100 ORAI for node.
#Oraichain

From February 08 to March 15 Regen Network plans to hold next part of testnet, named Aplikiĝo.
#Regen

Concordium Testnet 4 will be launched on January 20th, it's the last iteration before mainnet. Prize fund 15M GTU tokens.
#Concordium