I wrote in great detail about different community projects in my last post. This post is the summarized version, as I found the original post slightly too long and confusing.
Community project without any or only one-time payment for lifetime membership
| Project Name | Register/Discord/Obligation | Supported by | Benefit |
|---|---|---|---|
| Minnow Support Project | Send 0.001 SBD/STEEM with memo / Discord / Follow the rules |  @minnowsupport 95,827 SP ($32.05) | Upvote every 24h with 0.5% ($0.160) |
| Qurator 927 members | Send 2 Steem to  @qurator (lifetime) / Discord / High quality posts | @qurator 102,933 SP ($34.42) | Daily upvote with $0.17 - $1.56 |
| STEEM Engine | Resteem and upvote of the latest post / Discord / 100% upvote of all posts |  @thesteemengine 3,376 SP ($ 1.13)  @ethandsmith 10,408 SP ($ 3.44) | Daily upvote after participating in post-promotion |
| MAKE-A-WHALE 71 members | Not possible now / / Upvote all posts |  @make-a-whale 22,849 SP ($ 7.63) | Upvote every 22 h of new posts |
| Feed Your Minnows BOT 219 members | Pay 2 Steem/SBD for a lifetime membership, or upvote all posts with at least 0.01$ and leave a comment with #feedme. |  @feedyourminnows 5,154 SP ($ 1.72) | Upvote every 24 hours for $0.08 |
| steem basic income 645 members | Pay shares / / reputation above 20 |  @steembasicincome 6,733 SP ($ 2.23)  @sbi2 856 ($ 0.28) | Upvote of Posts and comments |
| Steemdunk | Register / Discord / Upvote of all posts with 100 % |  @steemdunk 3,400 SP ($ 1.13) | Upvote of posts |
| the human bot | Post your link in the comment section of the newest post / / post guidelines |  @thehumanbot 23 SP ($0.01) | manually selected posts will resteemted and upvoted |
| Resteemable | 1. Navigate to any Steemit.com Article - 2. Erase "https://" - 3. Type "re" - 4. Get an Instant Upvote & Resteem |  @resteemable 5,419 SP ($ 1.79) | Upvote & Resteem & Leaves a comment |
Community project on which each vote has to be paid
| Name | How to Use / Notes | Supported by | Vote in Return |
|---|---|---|---|
Manual Curation from  @kobusu and  @mariachan | 0.1 Sbd/Steem to @kobusu / High-quality post | @kobusu 925 SP ($ 0.31) @mariachan 136 SP ($ 0.05) | Upvote and resteem of your post with 0.23+$. |
| Steemdunk | 0.2 SBD to @steemdunk / Upvotes when Voting power is at least 70 % | @steemdunk 3,400 SP ($ 1.13) | $0.55 - 275%, leaves a comment |
| qustodian | SBD to  @qustodian / Membership at Qurator | @qustodian 10,393 SP ($3.47) | 265%, up to $2.00 |
| randowhale | 1 SBD to  @randowhale / Upvotes when Voting power is at least 99 % | @randowhale 635,208 SP ($ 209.44) | Random vote power |
| bumper | 0.1 - 0.5 SBD to  @bumper / Votes with 3 days delay | @bumper 28,132 SP ($ 9.28) | $0.3 - $1.5 (300%) |
| minnowbooster | 0.001 - 90 SBD to  @minnowbooster | @minnowbooster 1,009,033 SP ($ 270.75) | 275% vote in return |
| smartsteem | Send SBD/STEEM to  @smartmarket |  @smartsteem 145,641 SP ($ 37.35) | 255% vote in return |
Do you know other great projects? Please let me know.