diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -264,6 +264,8 @@ encryption library providing MD5, SHA1, SHA2 hashing and HMAC functionality, as
 - [hashids](https://github.com/davidaurelio/hashids-python) - Implementation of [hashids](http://hashids.org) in Python.
 - [paramiko](http://www.paramiko.org/) - a Python implementation of the SSHv2 protocol, providing both client and server functionality.
 - [pycrypto](https://github.com/dlitz/pycrypto) - The Python Cryptography Toolkit.
+- [pycryptodome](https://github.com/Legrandin/pycryptodome) - is a self-contained Python package of low-level cryptographic primitives.
+- [PyElliptic](https://github.com/yann2192/pyelliptic) - Python OpenSSL wrapper. For modern cryptography with ECC, AES, HMAC, Blowfish.
 - [pynacl](https://github.com/pyca/pynacl) - Python binding to the Networking and Cryptography (NaCl) library.
 
 ### Ruby
@@ -306,6 +308,7 @@ encryption library providing MD5, SHA1, SHA2 hashing and HMAC functionality, as
 
 - [Cryptography Stackexchange](http://crypto.stackexchange.com/) - Cryptography Stack Exchange is a question and answer site for software developers, mathematicians and others interested in cryptography.
 - [Garykessler Crypto](http://www.garykessler.net/library/crypto.html) - An Overview of Cryptography.
+- [IACR](https://www.iacr.org/) - The International Association for Cryptologic Research is a non-profit scientific organization whose purpose is to further research in cryptology and related fields.
 - [Learn Cryptography](https://learncryptography.com/) - is dedicated to helping people understand how and why the cryptographic systems they use everyday without realizing work to secure and protect their privacy.
 - [Subreddit of Cryptography](https://www.reddit.com/r/cryptography/) - This subreddit is intended for links and discussions surrounding the theory and practice of strong cryptography.
 - [WebCryptoAPI](https://www.w3.org/TR/WebCryptoAPI/) - This specification describes a JavaScript API for performing basic cryptographic operations in web applications, such as hashing, signature generation and verification, and encryption and decryption.