What do you mean by integration? Hister already supports importing data from Karakeep, Linkding, Linkwarden, Readeck, Shaarli, and wallabag: https://hister.org/

What do you mean by integration? Hister already supports importing data from Karakeep, Linkding, Linkwarden, Readeck, Shaarli, and wallabag: https://hister.org/docs/import https://hister.org/docs/import