I mention a lot of terms in my articles. Here's a reference to stay in the loop :).
ARR – aka: "annual recurring revenue". Indicates how much money you're making each year from subscriptions. Ex. 10 subscribers @ $50 per month x 12 months = $6000 ARR
Bootstrapped – A business funded through your own bank account and grown through profit instead of investment
Bootstrapper – Someone who builds a bootstrapped business
Bootstrapping – Building a business by funding it through your own bank account and growing it through revenue instead of investment
Indiehacker – Another term for bootstrapper essentially (I generally associate this with an earlier stage bootstrapper. Below $10k MRR)
Maker – Someone who makes things (with software in this context)
MRR – aka:"monthly recurring revenue". Indicates how much money you're making each month from subscriptions. Ex. 10 subscribers @ $50 per month = $500 MRR
Self-funded – A business that's not taking (or planning on taking) venture capital.
Solopreneur – A bootstrapper building a business without another cofounder.