0 Open-source software is free to use, and the original program can be changed by anyone. --
1 used to refer to software, etc. that is free to use and can be studied or improved by anyone because it is based on a code that anyone can use: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.