and proper names (not name’s), proper nouns (not noun’s), etc. too true. i’m doing it as an act of civil disobedience. 
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free for the first 24 hours, and a half hour has already passed… free until 5 pm monday 4/27, pacific time.
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“knot tie” necktie pattern
"Great for father’s day. Quick knit up and reversible. Note: 4/25/2015 - My testers were great and due to their help I am able to release earlier than anticipated. Since I am releasing early Knot tie will be free for a few weeks. Knotty means intricate, difficult or involved. Well the thought behind this Knot-Tie is for it to look intricate or difficult but for it to be easy."
“Poppy Pod” Necklace pattern
"…offering this pattern for free while it’s in beta testing. Please feel free to email… with questions or feedback if you find any mistakes or confusing bits. Enjoy!"
ETA some of the other patterns by this designer are also limited-time free while in beta testing. no firm end dates given on any of them:
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kind of retro/70s, the designer thinks. no firm ending given, just "Pattern will only be free for a very short period. "
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again, a crochet pattern. 
Leave-Me-Not shawl
Leave-Me-Not free for today only with code LOVE knit lace shawl
Cuba Street hat
FREE FOR A WEEK - until 5 May - discount will occur when pattern is added to cart!
La’ttel scarf
Available for Free until May 15th, 2015
Airy Shawl free with code
http://fiestayarns.com/store/items/view/1610/airy_shawl
go to checkout and enter code 30AIRY4
click on apply, amount will change to $0
Proceed through checkout.
pattern sells for $7.99 and is free with code
Offer valid through 5/3/15…
still free with code right now, 11:30 am, thursday 4/30 (pacific time zone)
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Crochet - Seismic Waves Cowl
Free until May 15th
Crochet - Undercurrents shawl
Free until 8am May 1 (add to cart and changes to free automatically)
Diamonds for Mother
http://international.elann.com/product/diamonds-for-mother/
It is now free again for the month of May 2015 only – from Elann.
After that it is a purchase pattern again.
Diamonds for Mother © Copyright elann.com inc.
Water shawl http://www.ravelry.com/patterns/library/water
Code: Water-0715
Water is the second MKAL from the Elements collection.
Use the code WATER-0715 to download the pattern free until July 10, or consider donating the $1 pattern price to run the MKAL.
Automatically apply the code HERE
Elann Free This Month patterns, month of May
http://international.elann.com/product-category/patterns/free-this-month/
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through may 3rd, your choice of a free crochet pattern from http://www.ravelry.com/designers/amanda-chapman using the code found on https://www.facebook.com/NewbornKnots?fref=ts .
ETA - if one pattern isn’t enough, consider taking advantage of her “10 for $10.00 sale.” no code needed, and that gets you over 75% off original prices.
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no code needed. was posted in a ravelry freebies group earlier today. the designer and website host are in germany, so assume german time zone. page said ‘free next 24 hours’…
anyway, you do need to add it to cart and checkout, including giving information, but the pattern is free with no code. if you want, you can opt to create an account while you’re checking out (there’s a little box to tick under your email address). that might be a good idea as there are free patterns every friday, and you wouldn’t have to put the information in from scratch each time.
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free for the first 2 days (no firm end date given, but just posted overnight). just add to ravelry cart and price is automatically reduced to $0.
free for ‘first 24 hours’ (with no firm end date given but just posted overnight as well).
says $0.01 for the price but then converts to fully free in your ravelry cart. part of a mystery knitalong.
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http://www.ravelry.com/patterns/library/may-mini-mystery-hat
“Here is May’s mystery mini hat. You will need 60 size 6/0 beads and around 18 inches of 1/4 inch wide satin ribbon. This pattern will remain free until June 1.”
Foolish Hearts - MKAL - scarf
May 15, 2015 the pattern will no longer be free.
All five clues have been released.
Designer’s comment: The reason it continues to be free is once I change to a price nobody will be able to update and receive the new clues.
So anybody that wants this full pattern does need to place in your library and update one last time between April 29 and May 15th.
This has been a learning experience for me.
The way Ravelry works if you placed in your library at the beginning but never updated as the clues came out once I change the pattern to no longer free the only thing you will have in your library is through clue released at the point of your last update.
Bohemian Shawl http://www.ravelry.com/patterns/library/bohemian-shawl-2
Please note: This shawl will be offered for free for the summer. Starting in September 1st 2015, it will be $5 USD. Enjoy!