I like plain text backed in google drive. I use The Archive [0] but Notational Velocity [1] is popular as well. I don't have a bookmark system though. This book is an excellent explanation of a plain text knowledge base system [2].

[0] https://zettelkasten.de/the-archive/

[1] https://brettterpstra.com/projects/nvalt/

[2] https://www.amazon.com/dp/1542866502/