Each of these have related posts here on SN. Following is a subset of those:

Circular economy:

🎧 CD60: building a bitcoin circular economy with @Dooowta, @BrainHarrington, and @5antoshernandez | Citadel Dispatch
#17002
https://bitcointv.com/w/6vQWEiJDegwyXW8LYFTDva

🎥 0.00000001: Brian Harrington, BTC Circular Economy | Changing the Tide
#10962
https://bitcointv.com/w/9ewUDsD8kU2SPkHk43Xjsy

🎧 Growing bitcoins circular economy with @bdgbertdegroot | Bit Buy Bit Podcast
#18214
https://www.youtube.com/watch?v=Zp3t1cfW3io

OSHI:

@dooowta AMA: Kickstarting bitcoin circular economies worldwide, onboarding businesses, empowering local economies through ₿commerce.
#16037

Oshi: Support Local, Earn Bitcoin!
#8646
https://www.oshi.tech/

⚡ Lightning Unleashed: Oshi + Cash app
#10780
https://www.thrillerbitcoin.com/oshipluscashappisnowunleashed

📺 Visa / MC Rekt #bitcoin | @Dooowta
#18526
https://twitter.com/Dooowta/status/1511803066659622923

Breez:

Get Ready for a Fresh Breez: Multiple Apps, One Node, Optimal UX
#18247
https://medium.com/breez-technology/get-ready-for-a-fresh-breez-multiple-apps-one-node-optimal-ux-519c4daf2536

IBEX:

Bitcoin Company IBEX Raises $4 Million, Eyes Expansion
#18194
https://bitcoinmagazine.com/business/bitcoin-company-ibex-raises-4-million-eyes-expansion

BTCPay Server and Voltage Cloud:

BTCPay Server 1.4.0 - The Year of Change
#8985
https://blog.btcpayserver.org/btcpay-server-1-4-0/

Voltage: Announcing Surge and our Next Generation Platform
#18730
https://voltage.cloud/blog/voltage-announcements/announcing-surge-and-our-next-generation-platform/

CypherPunkPay:

CypherpunkPay - modern self-hosted software for accepting Bitcoin
#8092
https://cypherpunkpay.org/