2.5 SW Licenses

📌 SW Licenses

• software must be licesed
• Licensing: indicating what other ppl can do with the SW

• Copyright
• Copyleft
• Create Commons

✅ Copyright

• when I want to get money from other ppl when they use my SW,

• I need to go to the national government Ministerio de Intellectual Property

• register, pay, then you get your copy right

• copy right in computing goes from aroung 10,000eu ~ 100,000 eu

• if other ppl use your product, they will pay
• but the product is yours

• they will pay for using the product

• We ask for copyright if we trust our creation will make money

• and we always take a risk, bc we need to make initial investment

• copy right is never done on test versions ❌
• it is done on final versions that are stable, smth that has been used for some time

• ⏱️ DO NOT wait too much for making a copy right, bc somebody can copy

  • suggestion: wait just three months after final release
• 👀 Windows
• we have to pay to use windows

✅ Copyleft

• If you want to get a copy left,
• go to webpage GNU official website

• register, no payment needed, free-of-charge

• 👀 Linux is copy left

• we do not have to pay for using linux

• but you will have to accept some terms to use copy left
• 💡 GPL General Public License: some terms we have to accept to use the free SW
• when we commit to GPL, we are promising that we will use this SW, but we will never make benefits of this

• so if we make smth based on Linux, we cannot sell this product ❌

• 👍🏻 copyleft products are created for sharing, for becoming global

• 👀 Opensource is also copyleft
• in open source, you can also see the code
• if it is open source and you can see the code, you can modify the code

• and create variable versions, but you cannot sell as it is copy left

• If you want to sell it, you need to get your copy right, then it becomes yours

• But not a good idea to make my project copy left then copy right

• as others can copy my code while my project was copy left

• Some copy lefts have donations at the end
• This donation is legal if it perfectly described in the GPL what the company is going to do with it donation
• and donation cannot be used for personal benefit
• it must be used for product improvement
• if the company does not commit with their commitment, and use the donation for their personal benefit, they can be punished

✅ Creative Commons

• This SW is for improving society, it is for sharing
• always has a hiphen

• ✔️ CC-BY: Attribution
• you need to mention/name the creator every time you use the SW
• BY attribution
• it is a good practice to always credit the creator
• 🤑 you can make money with CC-BY product

• you can just thank the creator, and sell the product

• ✔️ CC-NC: Non-Commercial
• you can use the SW, but you cannot sell, cannot make money
• you cannot copy your product
• having CC-NC is a nice method for testing if your product will be successful it before making it copyright

If oneday you want to make your project copyright,
but for the testing time,
if you want to see if it is successful wo anyone copying
you can make it CC-NC

• ✔️ CC-ND: No Derivatice Works
• you can use SW, but do not change!
• 👀 medical articles/researches

• you can share medical article, but cannot modify information from a doctor

• ✔️ CC-SA: Share As/Alike

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