List of useragents from matomo-org/matomo-log-analytics#239 that are currently not detected as bot (or library):

• Hatena-Favicon2 (http://www.hatena.ne.jp/faq/)
• Mozilla/5.0 (X11; Linux x86_64; rv:20.0; Favicon; +https://github.com/ArthurHoaro/favicon) Gecko/20100101 Firefox/32.0
• com.ddeville.llwebkit.favicon/158 CFNetwork/902.1 Darwin/17.7.0 (x86_64)
• com.ddeville.llwebkit.favicon/158 CFNetwork/974.1 Darwin/18.0.0 (x86_64)
• Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.170 Safari/537.36 Thumbshots/10.0.0.0
• Thumbor/6.4.2
• rethumb/v1 (http://rethumb.com)
• FetchStream
• Hatena::Fetcher/0.01 (master) Furl/3.13
• Hatena::Fetcher/0.01 (master) Furl/3.06
• safarifetcherd/604.1 CFNetwork/974.2.1 Darwin/18.0.0
• safarifetcherd/604.1 CFNetwork/975.0.3 Darwin/18.2.0
• safarifetcherd/604.1 CFNetwork/901.1 Darwin/17.6.0
• safarifetcherd/604.1 CFNetwork/976 Darwin/18.2.0
• safarifetcherd/604.1 CFNetwork/958.1 Darwin/18.0.0
• HatenaBookmark/0.03 (compatible; entryimage-fetcher)
• Mozilla/5.0 (compatible; ImageFetcher/7.0; +http://images.weserv.nl/)
• Mozilla/5.0 (compatible; ImageFetcher/8.0; +http://images.weserv.nl/)
• Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0 ; BacklinkHttpStatus)
• Hatena Star UserAgent/2
• Hatena-Favicon2 (http://www.hatena.ne.jp/faq/)
• Hatena::Fetcher/0.01 (master) Furl/3.13
• Hatena::Fetcher/0.01 (master) Furl/3.06
• HatenaBookmark/0.03 (Hatena::Bookmark; master;) Furl/3.13
• HatenaBookmark/4.0 (Hatena::Bookmark; Analyzer)
• Hatena::Scissors/0.01
• HatenaBookmark/4.0 (Hatena::Bookmark; Scissors)
• HatenaBookmark/0.03 (compatible; entryimage-fetcher)
• Elytra/0.10.0 (Macintosh; Ubuntu/14.06) GCDHTTPRequest
• Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
• request.js
• Zend_Http_Client
• EventMachine HttpClient
• HTTPClient/1.0 (2.6.0.1, ruby 2.0.0 (2015-12-16))
• HTTPClient/1.0 (2.8.3, ruby 2.2.1 (2015-02-26))
• Jakarta Commons-HttpClient/3.1
• Mozilla/5.0 (compatible; Funnelback) RPT-HTTPClient/0.3-3E
• AppEngine-Google; (+http://code.google.com/appengine; appid: s~readability-api-hrd)
• AppEngine-Google; (+http://code.google.com/appengine; appid: e~finscience-1253)
• AppEngine-Google; (+http://code.google.com/appengine; appid: s~cdn-dinoia)
• GAE AppEngine-Google; (+http://code.google.com/appengine; appid: s~ga-mozilla-org-prod-001)
• Mozilla/5.0 AppEngine-Google; (+http://code.google.com/appengine; appid: s~mendoapp1)
• Mozilla/5.0 AppEngine-Google; (+http://code.google.com/appengine; appid: s~vodio-app)
• Mozilla/5.0 AppEngine-Google; (+http://code.google.com/appengine; appid: e~finscience-1253)
• Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0) AppEngine-Google; (+http://code.google.com/appengine; appid: s~xiaohe18675)
• Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0) AppEngine-Google; (+http://code.google.com/appengine; appid: s~thgntk2)
• Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0) AppEngine-Google; (+http://code.google.com/appengine; appid: s~kindle-11)
• Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0) AppEngine-Google; (+http://code.google.com/appengine; appid: s~feedkin)
• Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0) AppEngine-Google; (+http://code.google.com/appengine; appid: s~ebook-rexdf)
• Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US) AppEngine-Google; (+http://code.google.com/appengine; appid: s~virustotalcloud)
• Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36 AppEngine-Google; (+http://code.google.com/appengine; appid: s~simple-rss-proxy)
• Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 (.NET CLR 3.5.30729) AppEngine-Google; (+http://code.google.com/appengine; appid: s~theajaxpost)
• Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36 AppEngine-Google; (+http://code.google.com/appengine; appid: s~twilinks123)
• Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0) AppEngine-Google; (+http://code.google.com/appengine; appid: b~thatkindleear)
• Evergreen (macOS; RSS Reader; https://ranchero.com/evergreen/)
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_2) AppleWebKit/602.3.12 (KHTML, like Gecko) NetNewsWire/3.3.2
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/534.57.7 (KHTML, like Gecko) NetNewsWire/3.3.2
• NetNewsWire (macOS; RSS Reader; https://ranchero.com/netnewswire/)
• NetNewsWire/3.3.2 (Mac OS X; http://netnewswireapp.com/mac/; gzip-happy)
• NetNewsWire/4.1.0 (Mac OS X; http://netnewswireapp.com/mac/; gzip-happy)
• Evergreen (macOS; RSS Reader; https://ranchero.com/evergreen/)
• Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36 AppEngine-Google; ( http://code.google.com/appengine; appid: s~simple-rss-proxy)
• Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/538.1 (KHTML, like Gecko) QuiteRss/0.18.12 Safari/538.1
• NetNewsWire (macOS; RSS Reader; https://ranchero.com/netnewswire/)
• rss/10 CFNetwork/976 Darwin/18.2.0
• rss/5 CFNetwork/897.15 Darwin/17.5.0
• rss/5 CFNetwork/902.2 Darwin/17.7.0
• rss/5 CFNetwork/974.2.1 Darwin/17.7.0
• rss/8 CFNetwork/974.2.1 Darwin/18.0.0
• rss/8 CFNetwork/975.0.3 Darwin/17.7.0
• ruby:net.bhaak.rss2html:1.0
• Visor News Reader RSS/1.0 (admin@visorco.com)
• Winds: Open Source RSS & Podcast app: https://getstream.io/winds/
• RSSOwl/2.2.1.201312301314 (Windows; U; en)
• Ruby
• Ruby, Twurly v1.1 (https://twurly.org)
• ruby:net.bhaak.rss2html:1.0
• HTTPClient/1.0 (2.6.0.1, ruby 2.0.0 (2015-12-16))
• HTTPClient/1.0 (2.8.3, ruby 2.2.1 (2015-02-26))
• Mozilla/5.0 (Mixnode) AppleWebKit/537.36 (KHTML, like Gecko)
• node-superagent/3.8.2
• node-superagent/2.3.0
• node-superagent/0.18.2
• node.io
• node.js
• Node.js (linux; U; rv:v6.9.1) AppleWebKit/537.36 (KHTML, like Gecko)
• http.rb/4.0.0
• http.rb/3.3.0
• http.rb/3.0.0
• Mozilla/5.0 (compatible; adscanner/)
• Mozilla/5.0 (compatible; DNS SSL/TLS HTTP HTML Website Security Scanner/0.2 beta; +https://www.htmlyse.com/)
• httpscheck (unknown version) CFNetwork/897.15 Darwin/17.5.0 (x86_64)
• httpscheck (unknown version) CFNetwork/893.13.1 Darwin/17.4.0 (x86_64)
• httpscheck (unknown version) CFNetwork/976 Darwin/18.2.0 (x86_64)
• Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36 (compatible; linkCheckV3.0)
• Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/538.1 (KHTML, like Gecko) wkhtmltoimage Safari/538.1
• Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/534.34 (KHTML, like Gecko) wkhtmltopdf Safari/534.34
• Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/534.34 (KHTML, like Gecko) wkhtmltoimage Safari/534.34
• Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/538.1 (KHTML, like Gecko) wkhtmltoimage Version/7.0 Safari/538.1
• Mozilla/5.0 (X11; BSD Four) AppleWebKit/534.34 (KHTML, like Gecko) wkhtmltoimage Safari/534.34
• Houdini%20Sweeper/3000 CFNetwork/893.13.1 Darwin/17.4.0 (x86_64)
• Houdini%20Sweeper/3000 CFNetwork/897.15 Darwin/17.5.0 (x86_64)
• GoScraper
• MetadataScraper
• Embed PHP Library
• Embed PHP library
• SnowHaze Search/1.0 support@snowhaze.com
• WordupInfoSearch/1.0
• WordupinfoSearch/1.0
• Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/537.36 http://notifyninja.com/monitoring
• Iframely/0.8.5 (+http://iframely.com/;)
• Iframely/1.2.2 (+http://iframely.com/;)
• Iframely/1.2.5 (+http://iframely.com/;)
• Iframely/1.2.7 (+http://iframely.com/;)
• Iframely/1.0.4 (+http://iframely.com/;)
• Iframely/1.2.7 (+https://iframely.com/;)
• G-i-g-a-b-o-t
• B-l-i-t-z-B-O-T/6.3 (Ubuntu 7.0; zh_TW;)
• B-l-i-t-z-B-O-T/4.3 (AmigaOS 2.3; fr_LU;)
• B-l-i-t-z-B-O-T/1.9 (Windows Vista 5.7; fr_CA;)
• inbound.li parser
• Mozilla/5.0 (compatible; WebDataStats/1.0 ; https://webdatastats.com/policy.html)
• NetTrack Anonymous Web Statistics https://nettrack.info/support.php
• CakePHP
• Bots that Matomo catches in the server (but not the log analyzer)
• Mozilla/5.0 (compatible; GoogleDocs; documents; +http://docs.google.com)
• Mozilla/5.0 (compatible; GoogleDocs; +http://docs.google.com; +Google-Document-Conversion)
• Mozilla/5.0 (compatible; GoogleDocs; apps-presentations; +http://docs.google.com)

Note: have not yet checked which of this useragents are actually bots or maybe valid mobile apps or other stuff....