Ever since I started my Journey to Functional Programming, I’ve been watching a lot of talks and presentations that I found inspiring. Here’s a list, in no particular order, of talks I liked. Enjoy!
Functional programming
Haskell
- What Makes Haskell Unique — Michael Snoyman
 - How Haskell is Changing my Brain — Alissa Pajer
 - Denotational Design: From Meanings To Programs — Conal Elliott
 - Next Level MTL — George Wilson
 - Laws! — George Wilson
 - Communicating with Types — Kris Jenkins
 - Maintainable Software Architecture in Haskell (with Polysemy) — Paweł Szulc
 - What are Types for, or are they only Against? — Conor McBride
 - Explain List Folds to Yourself — Tony Morris
 - Parametricity—The Essence of Information Hiding — Kris Nuttycombe
 
Scala
- Purely Functional I/O — Rúnar Bjarnason (a talk that made FP “click” for me!)
 - Functional Programming for Beginners — Rúnar Bjarnason (poor quality, but very good talk, chock-full of ideas!)
 - The Interpreter Pattern Revisited — Rúnar Bjarnason (a “sequel” to the previous talk)
 - Functional Programming with Effects — Rob Norris
 - Extreme Cleverness: Functional Data Structures in Scala — Daniel Spiewak
 - The Making of an IO — Daniel Spiewak
 - May Your Data Ever Be Coherent — Daniel Spiewak
 - Pushing Types and Gazing at the Stars — Rob Norris
 - Types vs Tests — Julien Truffaut
 - FP to the Max — John De Goes
 - Reasoning with Types — Adelbert Chang
 
Free monads
- Composable Application Architecture with Reasonably Priced Monads — Rúnar Bjarnason
 - A Year living Freely — Chris Myers
 - Why the free Monad isn’t free — Kelley Robinson
 - Free all the functors — Alissa Pajer
 
Recursion schemes
- Pure Functional Database Programming with Fixpoint Types — Rob Norris
 - Peeling the Banana: Recursion Schemes from First Principles — Zainab Ali
 - Topiary and the art of origami — Zainab Ali
 - Exploring Decision Trees with Matryoshka — Zainab Ali
 - Recursion: Where Functional Programming Hits Bottom — Greg Pfeil
 - Efficient Nanopass Compilers using Cats and Matryoshka — Greg Pfeil
 - Recursion: schemes, algebras, finally tagless, data types — Alexander Konovalov
 
General
- 8 Lines of Code — Greg Young
 - Functional Programming for the Object Oriented — Øystein Kolsrud
 - From Dependency injection to dependency rejection — Mark Seemann
 - Async injection — Mark Seemann
 - Fundamentals of Lambda Calculus & Functional Programming in JavaScript - Part I — Gabriel Lebec
 - A Flock of Functions: Combinators, Lambda Calculus, & Church Encodings in JS - Part II — Gabriel Lebec
 - Adopting FP: A Human-First approach — Ken Scambler
 - The Many Faces of Modularity — Eric Torreborre
 
Programming languages
- What FP can learn from Smalltalk — Aditya Siram (deech)
 - The Most Beautiful Program Ever Written — William Byrd
 - Four Languages from Forty Years Ago — Scott Wlaschin
 - On the Expressive Power of Programming Languages — Shriram Krishnamurthi
 - Turing’s Toy - The story of a mathematical idea that changed the world — Øystein Kolsrud
 
Mathematics and Logic
- Propositions as Types — Philip Wadler
 - Finite of sense & infinite of thought — Ron Pressler
 - A categorical view of computational effects — Emily Riehl
 - A Taste of Type Theory — Bartosz Milewski
 
Makes you think
- Constraints Liberate, Liberties Constrain — Rúnar Bjarnason
 - Compositional Programming — Rúnar Bjarnason
 - The Future of Programming — Bret Victor
 - Inventing on Principle — Bret Victor
 - The art of destroying software — Greg Young
 - Simple Made Easy — Rich Hickey
 
Rants
- Debugging Microservices in Production — Bryan Cantrill
 - Programming is terrible—Lessons learned from a life wasted — Thomas Figg (tef)
 - Why Johnny Can’t Code Good — Chris Allen
 - We’re Doing It All Wrong — Paul Phillips
 
Timeless classics
- Wat — Gary Bernhardt
 - Growing a Language — Guy Steele
 - The computer revolution hasn’t happened yet — Alan Kay
 - The Mess We’re In — Joe Armstrong
 
Miscellaneous
- The MoVfuscator - Turning 
movinto a soul-crushing RE nightmare — Christopher Domas