Bitcoin Testnet LN

As of 2019-02, the Bitcoin Testnet Lightning Network has about 300 active nodes:
#recksplorer
Lightning Network Explorer
explorer.btc-test.ln.dead.cash
1ML indexes node and channel information for  the Bitcoin Testnet:
1ML - Lightning Network Search and Analysis Engine - Bitcoin testnet
Lightning Network Search and Analysis Engine
1ml.com
Bitcoin Testnet Lightning Apps
RADAR ION features a how-to guide for joining the Lightning Network, including a testnet bitcoin faucet, wallet and app recommendations, and a well-connected Lightning node to connect to:

Radar ION - Your guide to joining the Lightning Network
The resources you need to get started with the Lightning Network, all in one place. Including a tBTC faucet to fund your wallet, information to get connected, and more.
ion.radar.tech
Several apps are live on the BTC Testnet:
Starblocks | Spend bitcoin with LN on TESTNET
starblocks.acinq.co
Y'alls: Lightning Network powered publishing.
Publish and read content using micro-payments
testnet.yalls.org
https://testnet.lightninggem.com/
testnet.lightninggem.com
Satoshi's Place
A Bitcoin Lightning Network powered online multiplayer game inspired by Reddit Place and the million dollar homepage.
testnet.satoshis.place
CoinGate Shop Demo
example.coingate.com
https://testnet.wildln.com/
testnet.wildln.com
Blockstream Satellite Client
spacebit.live
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Tutorials - Previous
Lightning Apps
Spacebit Satellite Client
Last updated 3 months ago