Alternatives may be found - not in any specific order:
crypto_box
crypto_kx
crypto_secretstream
crypto_secretbox
Recommendations can be also found from:
No direct maintained fork exists.
{ "license": "CC0-1.0" }
{ "affects": { "arch": [], "functions": [], "os": [] }, "affected_functions": null }
{ "categories": [], "informational": "unmaintained", "cvss": null }