[hans1729]

Replace your query-term with "to-do" and google will yield plenty of results

[mtmail]

Yes, I think searching for produtivity tools for personal use is the key. All tools meant for companies cost money (because companies are willing to spend for extra productivity).

[sureshn]

Yeah,, did all that , tried my luck with DDG and bing as well I am surprised not even one OKR tool is open source