# Comparison of feed aggregators

The following is a comparison of RSS feed aggregators. Often e-mail programs and web browsers have the ability to display RSS feeds. They are listed here, too.
Many BitTorrent clients support RSS feeds for broadcasting (see Comparison of BitTorrent clients).
With the rise of cloud computing, some cloud based services offer feed aggregation. They are listed here as well.

## Release history

| Client | License | First stable release | First stable release | Latest stable release |
| Client | License | Date | Version | Latest stable release |
| Akregator | GPL | ? | ? | 6.1.0 23 May 2024 |
| Amarok | GPL-2.0-or-later | ? | ? | 3.2.2 15 February 2025 |
| AOL Explorer | Proprietary | June, 2005 | 1.0 | 1.5 May 2006 |
| Awasu | Proprietary | February, 2003 | 1.0 | 3.3 28 February 2023 |
| BlogBridge | GPL | ? | ? | 6.6.1 26 February 2009 |
| Bloglines | Proprietary | ? | ? | Merged with NetVibes |
| Canto | GPL-2.0-only | January 14, 2009 | 0.6.0 | 0.9.8 3 December 2020 |
| Claws Mail | GPL-3.0-or-later | January, 2005 | 1.0.0 | 4.3.1 24 February 2025 |
| CommaFeed | Apache-2.0 | ? | ? | 4.3.1 12 February 2024 |
| Cooliris | ? | ? | ? | ? |
| Digg Reader | Proprietary | ? | ? | Discontinued on March 26, 2018 |
| Feed Viewer | Proprietary | April, 2006 | 1.0 | Windows 150.2.10 (August 10, 2021) iOS 0.1.39 (August 10, 2021) |
| Feedbin | MIT | March 12, 2013 | ? | (web site, continuous updates) |
| Feedly | Proprietary | 2008 | ? | (web site, continuous updates) |
| Feedreader | Proprietary | ? | ? | |
| Flipboard | Proprietary | ? | ? | |
| Flock | Proprietary | November 2, 2007 | 1.0 | 3.5.3.4641 1 February 2011 |
| Gnus | GPL-3.0-or-later | February 1, 1988 | ? | |
| Google Reader | Proprietary | September 17, 2007 | 2.0 | Discontinued on July 1, 2013 |
| HCL Notes | Proprietary | 1989 | 1.0 | 14.0.0 7 December 2023 |
| Inoreader | Proprietary | ? | ? | (web site, continuous updates) |
| iTunes | Proprietary freeware | ? | ? | 12.12.8.2 30 March 2023 |
| Juice | GPL-2.0-or-later | ? | ? | 2.2 11 November 2005 |
| K-Meleon | GPL | November 26, 2000 | 0.2 | 76.4.7 7 April 2023 |
| Kazehakase | GPL-2.0-or-later | January 29, 2003 | ? | 0.5.8 29 September 2009 |
| Liferea | GPL | ? | ? | 1.14.6 2 August 2023 |
| Maxthon | Proprietary | September 8, 2005 | 1.0.0250 | Windows6.1.2.3000 / September 24, 2021; 3 years ago (2021-09-24)Android6.0.2.3500 / December 9, 2021; 3 years ago (2021-12-09)Mac5.1.60 / August 27, 2018; 6 years ago (2018-08-27)iOS6.0.6 / December 14, 2021; 3 years ago (2021-12-14)Windows Phone2.2.0 / March 30, 2017; 7 years ago (2017-03-30)Linux1.0.5.3 / September 9, 2014; 10 years ago (2014-09-09) |
| MediaMonkey | Freemium | ? | ? | Windows2024.0.0.3082 / 5 December 2024 |
| Microsoft Office Outlook | Proprietary / Commercial software | 1997 | 97 | 15.0.4517.1509 (January 29, 2013) |
| Mozilla Firefox | MPL-2.0 | September 23, 2002 | 0.1 | Builtin RSS reader was removed in Version 64, Available as an add-on. Standard136.0.1 / March 11, 2025; 2 days ago (March 11, 2025)Extended support release 1128.8.0esr / March 4, 2025; 9 days ago (March 4, 2025)Extended support release 2115.21.0esr / March 4, 2025; 9 days ago (2025-03-04) |
| Mozilla Thunderbird | MPL-2.0 | December 7, 2004 | 1.0 | 136.0 4 March 2025 |
| My Yahoo! | | ? | ? | Discontinued in Dec. 2024 |
| NetNewsWire | MIT | February 11, 2003 | 1.0 | 6.1.3 29 June 2023 |
| Netscape Browser | Proprietary | May 19, 2005 | 8.0 | 8.1.3 (April 2, 2007; 17 years ago (2007-04-02)) |
| Netscape Navigator 9 | Proprietary | October 15, 2007 | 9.0 | 9.0.0.6 (February 20, 2008) |
| Netvibes | Proprietary | ? | ? | ? |
| News360 | Proprietary | November, 2010 | ? | ? |
| Newsbeuter | MIT | January 16, 2007 | 0.1 | 2.9 19 February 2015 |
| NewsBlur | MIT | October 26, 2010 | 1.0 | 4.0 |
| Newsboat | MIT | September 20, 2017 | 2.10 | 2.38 22 December 2024 |
| NewsFire | Proprietary | ? | ? | 2.0 |
| OmniWeb | Proprietary | March 17, 1995 | 1.0 | 5.11.2 20 July 2012 |
| Opera Mail | Proprietary | December, 1996 | 2.1 | 1.0.1044 (February 16, 2016; 9 years ago (2016-02-16)) |
| Pegasus Mail | Proprietary, Donationware | 1990 | ? | 4.80 14 February 2022 |
| Protopage | Proprietary | May, 2005 | 1.0 | 11.43 (December 2015) |
| Pulse | ? | ? | ? | ? |
| QuiteRSS | GPL-3.0-or-later | Dec, 2014 | 0.14.0 | 0.19.4 21 April 2020 |
| Rhythmbox | GPL-2.0-or-later | ? | ? | 3.4.8 10 November 2024 |
| RSS Bandit | BSD-3-Clause | March, 2003 | 1.0 | 1.9.0.1002 4 July 2010 |
| RSS Guard | GPL-3.0-only | February 4, 2014 | 1.9.9.3 | 4.8.1 20 December 2024 |
| RSSOwl | EPL-1.0 | December 19, 2004 | 1.0 | 2.2.1 30 December 2013 |
| Safari | Proprietary | ? | ? | macOS18.3 / 27 January 2025iOS18.3 / 27 January 2025 |
| Sage | MPL-1.1 | ? | ? | 1.5.5 (June 16, 2017) |
| Shiira | BSD-3-Clause | ? | ? | 2.3 11 August 2009 |
| Sleipnir | Proprietary | October, 2005 | 2.00 | Windows (Sleipnir 6) 6.5.9 (December 9, 2024; 3 months ago (2024-12-09)) Windows (Sleipnir 4) 4.8.9 (December 9, 2024; 3 months ago (2024-12-09)) macOS 4.7.9 (March 2, 2021; 4 years ago (2021-03-02)) iOS 4.15 (December 24, 2024; 2 months ago (2024-12-24)) Android 3.7.7 (October 29, 2024; 4 months ago (2024-10-29)) |
| Songbird | GPL | ? | ? | 2.2.0, Build 2453 4 February 2013 |
| The Bat! | Shareware | March, 1998 | 1.00 Build 1310 | |
| The Old Reader | Proprietary | June 12, 2012 | ? | Rolling release |
| Tiny Tiny RSS | GPL-3.0-or-later | ? | ? | rolling releases, most recent February 2019 |
| Winamp | Freemium | ? | ? | 5.9.2 Build 10042 (April 26, 2023; 22 months ago (2023-04-26)) |
| Windows Live Mail | Proprietary | ? | ? | 2012 (v16.4.3528.0331) (November 4, 2014; 10 years ago (2014-11-04)) |
| Zimbra | Zimbra licensing | March, 2006 | 3.5 | 10.1.6 5 February 2025 |
| Zune | Proprietary | ? | ? | 4.08.2345 (August 22, 2011; 13 years ago (2011-08-22)) |
| Client | License | Date | Version | Latest stable release |
| Latest stable release |||
Netscape Messenger 9 is a fork of Mozilla Thunderbird and has the same features.

## Operating system support

| Client | Windows | macOS | Linux | BSD | Solaris | Android | iOS | Other |
| Akregator | No | ? | Yes | Yes | Yes | No | No | No |
| Amarok | Yes | Yes | Yes | Yes | Yes | No | No | No |
| AOL Explorer | Yes | No | No | No | No | No | No | No |
| Awasu | Yes | No | No | No | No | No | No | No |
| BlogBridge | Yes | Yes | Yes | No | No | No | No | No |
| Canto | No | No | Yes | No | No | No | No | No |
| Claws Mail | Yes | Yes | Yes | Yes | Yes | No | No | Maemo |
| CommaFeed | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Client side: every platform with a web browser Server side: every platform with Java |
| Cooliris | Yes | Yes | No | No | No | No | No | No |
| Feed Viewer | Yes | No | No | No | No | No | Yes | Windows Phone dropped |
| Feedreader | Yes | No | No | No | No | No | No | No |
| Flock | Yes | Yes | Yes | Yes | No | No | No | No |
| Gnus | Yes | Yes | Yes | Yes | Yes | Yes | No | DOS |
| HCL Notes | Yes | Yes | Yes | No | No | No | No | No |
| Inoreader | Yes | Yes | Yes | No | No | Yes | Yes | No |
| Internet Explorer | Included | No | No | No | No | No | No | No |
| iTunes | Yes | as Podcasts app | No | No | No | No | No | No |
| Juice | Yes | Yes | No | No | No | No | No | No |
| K-Meleon | Yes | No | No | No | No | No | No | No |
| Kazehakase | No | No | Yes | Yes | No | No | No | No |
| Liferea | No | No | Yes | Yes | No | No | No | No |
| Apple Mail | No | Included | No | No | No | No | No | No |
| Maxthon | Yes | No | No | No | No | No | No | No |
| MediaMonkey | Yes | No | No | No | No | No | No | No |
| Microsoft Office Outlook | Yes | Yes | No | No | No | No | No | Windows Mobile |
| Mozilla Firefox | Add-on | Add-on | Add-on | Add-on | No | No | No | No |
| Mozilla Thunderbird | Yes | Yes | Yes | Yes | No | No | No | No |
| NetNewsWire | No | Yes | No | No | No | No | Yes | No |
| Netscape Browser | Yes | No | No | No | No | No | No | No |
| Netscape Navigator 9 | Yes | Yes | Yes | No | No | No | No | No |
| Newsbeuter | No | Yes | Yes | Yes | No | No | No | Source code available |
| NewsBlur | Web based | Web based | Web based | Web based | Web based | Yes | Yes | every platform with a web browser |
| Newsboat | No | Yes | Yes | Yes | No | No | No | Source code available |
| NewsFire | No | Yes | No | No | No | No | No | No |
| OmniWeb | No | Yes | No | No | No | No | No | No |
| Opera Mail | Yes | Yes | Yes | Yes | Dropped | No | No | BeOS, QNX, OS/2 |
| Pegasus Mail | Yes | No | No | No | No | No | No | No |
| Protopage | Web based | Web based | Web based | Web based | Web based | Dedicated Web App | Dedicated Web App | every platform with a Web browser |
| Pulse | Web based | Web based | Web based | Web based | Web based | Dedicated App | Dedicated App | every platform with a Web browser |
| QuiteRSS | Yes | Yes | Yes | No | No | No | No | Source code available |
| Rhythmbox | No | No | Yes | Yes | Yes | No | No | No |
| RSS Bandit | Yes | No | No | No | No | No | No | No |
| RSS Guard | Yes | Yes | Yes | Yes | No | No | No | Supports OS/2 starting with version 3.9.1. |
| RSSOwl | Yes | Yes | Yes | Yes | Yes | Yes | No | every platform with Java and SWT |
| Safari | Yes | Included | No | No | No | No | No | No |
| Sage | Yes | Yes | Yes | No | No | No | No | No |
| SeaMonkey Mail & Newsgroups | Yes | Yes | Yes | Yes | No | No | No | No |
| Shiira | No | Yes | No | No | No | No | No | No |
| Sleipnir | Yes | No | No | No | No | No | No | No |
| Songbird | Yes | Yes | Yes | No | Yes | No | No | No |
| The Bat! | Yes | No | No | No | No | No | No | No |
| The Old Reader | Web based | Web based | Yes | Web based | Web based | Multiple apps | Multiple apps | Windows Phone, Symbian, WebOS, Firefox OS |
| Tiny Tiny RSS | Yes | Yes | Yes | Yes | Yes | Yes | Yes | every platform with a web browser |
| Winamp | Yes | No | Obsolete | No | No | No | No | No |
| Windows Live Mail | Yes | No | No | No | No | No | No | No |
| Zimbra | Yes | Yes | Yes | Yes | No | No | No | No |
| Zune | Yes | No | No | No | No | No | No | Windows Mobile |
| Client | Windows | macOS | Linux | BSD | Solaris | Android | iOS | Other |

## Web feed and protocol support

| Client | feed URI scheme | RSS 0.91 | RSS 1.0 | RSS 2.0 | RSS enclosure | MRSS | Atom | other format | Delta updates | IPv6 | Auto updates | HTTP Basic Auth |
| Akregator | ? | Yes | Yes | Yes | Yes | Yes | Yes | ? | No | Yes | Yes | Yes |
| Amarok | ? | ? | Yes | Yes | Yes | ? | Yes | ? | No | ? | Yes | ? |
| AOL Explorer | ? | ? | ? | ? | ? | ? | Yes | ? | ? | Yes | ? | ? |
| Awasu | Yes | Yes | Yes | Yes | Yes | Yes | Yes | any XML format (via XSL) | ? | Yes | Yes | ? |
| BlogBridge | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Canto | ? | Yes | Yes | Yes | Yes | ? | Yes | ? | ? | ? | Yes | ? |
| Claws Mail | ? | No | Yes | Yes | ? | ? | Yes | ? | No | Yes | Yes | ? |
| CommaFeed | Yes | Yes | Yes | Yes | Yes | Yes | Yes | RSS 0.90, RSS 0.92, RSS 0.93, RSS 0.94, Atom 0.3, Atom 1.0 | No | Yes | Yes | No |
| Cooliris | ? | ? | ? | ? | Yes | Yes | ? | ? | No | ? | ? | ? |
| Feed Viewer | ? | Yes | Yes | Yes | Yes | Yes | Yes | CDF, RDF | No | Yes | Yes | ? |
| Feedreader | Yes | Yes | Yes | Yes | Yes | ? | ? | ? | ? | ? | Yes | ? |
| Flock | Yes | ? | ? | ? | ? | Yes | Yes | ? | ? | Yes | Yes | ? |
| Gnus | ? | Yes | Yes | Yes | ? | ? | No | Newsgroups | ? | Yes | No | ? |
| HCL Notes | ? | Yes | Yes | Yes | ? | ? | Yes | ? | ? | Yes | ? | ? |
| Internet Explorer | No | Yes | Yes | Yes | Yes | ? | Yes | Web Slice | Yes | Yes | Yes | ? |
| iTunes | ? | ? | ? | Yes | Yes | ? | Yes | ? | No | ? | Yes | ? |
| Juice | ? | ? | ? | ? | Yes | ? | ? | ? | No | ? | ? | ? |
| K-Meleon | ? | ? | ? | ? | ? | ? | Yes | ? | ? | Yes | ? | ? |
| Kazehakase | ? | ? | ? | ? | ? | ? | ? | LIRS, HINA-DI | ? | Yes | ? | ? |
| Liferea | Yes | Yes | Yes | Yes | Yes | Yes | Yes | ? | Yes | Yes | Yes | ? |
| Mail (OS X) | ? | ? | ? | Yes | ? | ? | Yes | ? | No | Yes | Yes | ? |
| Maxthon | ? | ? | ? | ? | ? | ? | Yes | ? | Yes | Yes | ? | ? |
| MediaMonkey | ? | ? | ? | ? | Yes | ? | ? | ? | ? | ? | ? | ? |
| Microsoft Office Outlook | ? | Yes | Yes | Yes | ? | ? | Yes | ? | Yes | Yes | Yes | ? |
| Miro | ? | ? | ? | ? | Yes | Yes | ? | ? | ? | ? | ? | ? |
| Mozilla Firefox | ? | Add-on | Add-on | Add-on | ? | Add-on | Add-on | ? | No | Add-on | Add-on | ? |
| Mozilla Thunderbird | ? | Yes | Yes | Yes | ? | ? | Yes | Newsgroup | No | Yes | Yes | Yes |
| NetNewsWire | Yes | ? | ? | ? | ? | ? | ? | ? | No | ? | ? | No |
| Netscape Browser | ? | ? | ? | ? | ? | ? | Yes | ? | No | Yes | Yes | ? |
| Netscape Navigator 9 | ? | ? | ? | ? | ? | ? | Yes | ? | No | Yes | Yes | ? |
| NewsBlur | Yes | Yes | Yes | Yes | Yes | Yes | Yes | RSS 0.90, RSS 0.92, RSS 0.93, RSS 0.94, Atom 0.3, Atom 1.0 | Yes | Yes | Yes | ? |
| Newsboat | ? | Yes | Yes | Yes | ? | ? | Yes | ? | ? | Yes | ? | ? |
| NewsFire | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| OmniWeb | ? | ? | ? | ? | ? | ? | Yes | ? | ? | Yes | ? | ? |
| Opera Mail | Yes | Yes | Yes | Yes | Yes | Yes | Yes | RDF, Newsgroup | ? | Yes | Yes | ? |
| Pegasus Mail | ? | Yes | Yes | Yes | ? | ? | ? | ? | ? | ? | ? | ? |
| Protopage | Yes | Yes | Yes | Yes | Yes | Yes | Yes | RSS 0.90, RSS 0.92, RSS 0.93, RSS 0.94, Atom 0.3, Atom 1.0 | ? | Yes | Yes | ? |
| Pulse | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
| Quiterss | ? | ? | Yes | Yes | ? | ? | Yes | ? | ? | ? | Yes | ? |
| Rhythmbox | ? | ? | ? | ? | Yes | ? | ? | ? | No | ? | Yes | ? |
| RSS Bandit | ? | ? | ? | ? | ? | ? | ? | ? | No | ? | ? | ? |
| RSS Guard | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Gmail, JSON feeds, Inoreader, Nextcloud News, Feedly, Tiny Tiny RSS, FreshRSS, other services via Google Reader API | Google Reader API, Feedly, Gmail | Yes | Yes | Yes |
| RSSOwl | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Newsgroup | No | Yes | Yes | ? |
| Safari | Yes | ? | Yes | Yes | ? | ? | Yes | ? | No | Yes | Yes | ? |
| Sage | ? | Yes | Yes | Yes | No | No | Yes | ? | ? | Yes | Yes | ? |
| SeaMonkey Mail & Newsgroups | ? | Yes | Yes | Yes | ? | ? | Yes | Newsgroup | ? | Yes | Yes | ? |
| Songbird | ? | Yes | Yes | Yes | Yes | Yes | Yes | ? | No | Yes | Yes | ? |
| Shiira | ? | ? | ? | ? | ? | ? | Yes | ? | ? | Yes | ? | ? |
| Sleipnir | ? | ? | ? | ? | ? | ? | Yes | ? | No | Yes | ? | ? |
| The Bat! | ? | Yes | Yes | Yes | ? | ? | Yes | ? | ? | Yes | ? | ? |
| The Old Reader | Yes | ? | ? | Yes | Yes | ? | Yes | PubSubHubbub | No | Yes | Yes | ? |
| Tiny Tiny RSS | ? | ? | ? | Yes | ? | ? | Yes | ? | No | ? | Yes | ? |
| Winamp | ? | ? | ? | ? | Yes | ? | ? | ? | ? | Yes | Notification only | ? |
| Windows Live Mail | ? | Yes | Yes | Yes | ? | ? | Yes | ? | Yes | Yes | Yes | ? |
| Zimbra | ? | Yes | Yes | Yes | ? | ? | Yes | ? | ? | ? | ? | ? |
| Zune | ? | ? | ? | ? | Yes | ? | ? | ? | ? | ? | ? | ? |
| Client | feed URI scheme | RSS 0.91 | RSS 1.0 | RSS 2.0 | RSS enclosure | MRSS | Atom | other standard | Delta updates | IPv6 | Auto updates | HTTP Basic Auth |

## Interface and notes

Web browsers and Internet suites have for browser plugin a N/A, because they don't need it.
| Client | Pop-up | Tray notification | Browser plugin | Email | "newspaper"-like | Media aggregator | Notes | Downloadable attachments |
| Akregator | Yes | Yes | Yes (integration with konqueror) | Yes | ? | Yes | KDE | ? |
| Amarok | ? | ? | ? | ? | ? | Yes | KDE | ? |
| AOL Explorer | ? | ? | — | ? | ? | ? | Discontinued; Feed support is available in Internet Explorer 7 | ? |
| Awasu | Yes | Yes | — | Yes | Yes | Yes | Supports user-written plugins. | Yes |
| BlogBridge | ? | ? | ? | ? | ? | ? | | ? |
| Canto | ? | ? | ? | ? | ? | ? | Ncurses/console based reader | ? |
| Claws Mail | Yes | Yes | Yes | Yes | ? | ? | RSSyl plugin needed | ? |
| CommaFeed | ? | ? | Yes | ? | Yes | ? | Web browser | ? |
| Cooliris | ? | ? | Yes | ? | ? | ? | Web browser plugin | ? |
| Feed Viewer | No | No | — | No | Yes | Yes | | No |
| Feedreader | Yes | No | No | ? | Yes | ? | | ? |
| Flock | ? | ? | — | ? | ? | Yes | Discontinued | ? |
| Gnus | Add-on | ? | ? | Yes | ? | ? | Emacs-based mail and news client | ? |
| HCL Notes | ? | ? | ? | ? | ? | ? | Studio Blog Reader is one RSS reader application for IBM Lotus Notes; Notes version 8.x introduced a native RSS reader | ? |
| Internet Explorer | ? | ? | — | ? | Yes | ? | Feed support is available in Internet Explorer 7 | ? |
| iTunes | ? | ? | ? | ? | ? | Yes | | ? |
| Juice | ? | ? | ? | ? | ? | Yes | Designed as Podcast aggregator | ? |
| K-Meleon | ? | ? | ? | ? | ? | ? | Web browser | ? |
| Kazehakase | ? | ? | — | ? | ? | ? | Web browser | ? |
| Liferea | Yes | Yes | ? | ? | ? | ? | | ? |
| Mail (OS X) | ? | ? | ? | Yes | ? | ? | | ? |
| Maxthon | ? | ? | — | ? | ? | ? | Web browser | ? |
| MediaMonkey | ? | ? | ? | ? | ? | Yes | Media Player | ? |
| Microsoft Office Outlook | ? | ? | ? | ? | ? | ? | Feed support is available in Microsoft Office Outlook 2007 | ? |
| Miro | ? | ? | ? | ? | ? | Yes | Media Player | ? |
| Mozilla Firefox | Add-on | Add-on | — | ? | ? | ? | Web Browser | ? |
| Mozilla Thunderbird | ? | Add-on | ? | Yes | No | ? | Mail Client | ? |
| NetNewsWire | ? | ? | ? | ? | ? | ? | | ? |
| Netscape Browser | ? | ? | — | ? | ? | ? | Discontinued; Web browser | ? |
| Netscape Navigator 9 | Yes | ? | — | ? | ? | ? | Discontinued | ? |
| NewsBlur | ? | ? | ? | ? | ? | ? | | ? |
| Newsboat | No | No | Yes | ? | ? | ? | Default browser can be configured in settings | ? |
| NewsFire | ? | ? | ? | ? | ? | ? | | ? |
| OmniWeb | ? | ? | ? | ? | ? | ? | Part of the OmniWeb browser | ? |
| Opera Mail | Yes | Yes | No | Yes | No | ? | | Yes |
| Pegasus Mail | ? | ? | ? | Yes | ? | ? | Pegasus Mail can convert RSS feeds to e-mails via free add-ons | ? |
| Rhythmbox | ? | ? | ? | ? | ? | ? | Media Player | ? |
| RSS Bandit | ? | ? | ? | ? | ? | ? | .NET Framework based | ? |
| RSS Guard | Yes | Yes | No | Yes | Yes | Yes | Qt-based, supports online feed/message synchronization via Tiny Tiny RSS, Nextcloud News, Inoreader and others. Supports plugins written in C++/Qt, custom message filters via JavaScript, tags/labels. | Yes |
| RSSOwl | Yes | Yes | No | No | Yes | Yes | no longer support for Google Reader synchronization since version 2.2.0 | Yes |
| Safari | ? | ? | — | ? | Yes | ? | Web Browser | ? |
| Sage | ? | ? | ? | ? | Yes | ? | a Firefox extension | ? |
| SeaMonkey Mail & Newsgroups | ? | ? | — | Yes | ? | ? | Part of the SeaMonkey Internet suite | ? |
| Songbird | ? | ? | ? | ? | ? | Yes | Media Player | ? |
| Shiira | ? | ? | — | ? | ? | ? | Web browser | ? |
| Sleipnir | ? | ? | — | ? | ? | ? | Feed support is available in Internet Explorer 7 | ? |
| The Bat! | ? | ? | ? | Yes | No | No | Mail client; rss2mail or rss2pop3 plugin needed for versions prior to 6.4; newer versions support RSS natively | ? |
| The Old Reader | ? | ? | Yes | ? | ? | ? | | ? |
| Winamp | No | ? | No | No | No | Yes | Media Player | ? |
| Windows Live Mail | ? | ? | ? | Yes | ? | ? | | ? |
| Zimbra | ? | ? | ? | ? | ? | ? | Groupware suite | ? |
| Zune | ? | ? | ? | ? | ? | Yes | Media player | ? |
| Client | Pop-up | Tray notification | Browser plugin | Email | "newspaper"-like | Media aggregator | Notes | Downloadable attachments |

## Capabilities

| Client | Offline support | Search | Annotations | News Filtering | Pluginable | Automatic Update | Publish Capabilities |
| Akregator | Yes | Yes | No | Yes | ? | Yes | No |
| Amarok | ? | ? | ? | ? | ? | ? | ? |
| AOL Explorer | ? | ? | ? | ? | ? | ? | ? |
| Awasu | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| BlogBridge | ? | ? | ? | ? | ? | ? | ? |
| Canto | ? | ? | ? | ? | ? | ? | ? |
| Claws Mail | ? | ? | ? | ? | ? | ? | ? |
| CommaFeed | ? | Yes | ? | ? | ? | Yes | ? |
| Cooliris | ? | ? | ? | ? | ? | ? | ? |
| Feed Viewer | Yes | Yes | ? | No | No | Yes | Sharing |
| Feedreader | Yes | Yes | ? | ? | ? | Yes | ? |
| Flock | ? | ? | ? | ? | ? | ? | ? |
| Gnus | Yes | Yes | ? | ? | ? | Yes | ? |
| HCL Notes | ? | ? | ? | ? | ? | ? | ? |
| Internet Explorer | ? | ? | ? | ? | ? | ? | ? |
| iTunes | ? | ? | ? | ? | ? | ? | ? |
| Juice | ? | ? | ? | ? | ? | ? | ? |
| K-Meleon | ? | ? | ? | ? | ? | ? | ? |
| Kazehakase | ? | ? | ? | ? | ? | ? | ? |
| Liferea | Yes | Yes | ? | Yes | ? | Yes | ? |
| Mail (OS X) | ? | ? | ? | ? | ? | ? | ? |
| Maxthon | ? | ? | ? | ? | ? | ? | ? |
| MediaMonkey | ? | ? | ? | ? | ? | ? | ? |
| Microsoft Office Outlook | ? | ? | ? | ? | ? | ? | ? |
| Mozilla Firefox | ? | ? | ? | ? | ? | ? | ? |
| Mozilla Thunderbird | Yes | Yes | ? | Yes | ? | Yes | ? |
| NetNewsWire | Yes | Yes | ? | No | ? | ? | ? |
| Netscape Browser | ? | ? | ? | ? | ? | ? | ? |
| Netscape Navigator 9 | ? | ? | ? | ? | ? | ? | ? |
| Newsbeuter | Yes | Yes | Yes | Yes | Yes | Yes | No |
| NewsBlur | Yes | Yes | Yes | Yes | ? | ? | Yes |
| Newsboat | No | Yes | No | Yes | ? | Yes | No |
| NewsFire | ? | ? | ? | ? | ? | ? | ? |
| OmniWeb | ? | ? | ? | ? | ? | ? | ? |
| Opera Mail | Yes | Yes | ? | Yes | No | Yes | No |
| Pegasus Mail | ? | ? | ? | ? | ? | ? | ? |
| QuiteRSS | ? | ? | ? | Yes | ? | ? | ? |
| Rhythmbox | ? | ? | ? | ? | ? | ? | ? |
| RSS Bandit | ? | ? | ? | ? | ? | ? | ? |
| RSS Guard | Yes | Yes | Yes | Yes | Yes | Yes | Supports "share-to-published" feature for Tiny Tiny RSS., Sending e-mails via Gmail. |
| RSSOwl | No | Yes | ? | Yes | Yes | Yes | ? |
| Safari | ? | ? | ? | ? | ? | ? | ? |
| Sage | ? | ? | ? | ? | ? | ? | ? |
| SeaMonkey Mail & Newsgroups | ? | ? | ? | ? | ? | ? | ? |
| Shiira | ? | ? | ? | ? | ? | ? | ? |
| Sleipnir | ? | ? | ? | ? | ? | ? | ? |
| Songbird | ? | ? | ? | ? | ? | ? | ? |
| The Bat! | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| The Old Reader | Via some mobile apps | Yes | ? | ? | ? | Yes | Sharing |
| Tiny Tiny RSS | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Winamp | ? | ? | ? | ? | ? | ? | ? |
| Windows Live Mail | ? | ? | ? | ? | ? | ? | ? |
| Zimbra | ? | ? | ? | ? | ? | ? | ? |
| Zune | ? | ? | ? | ? | ? | ? | ? |
| Client | Offline support | Search | Annotations | News Filtering | Pluginable | Automatic Update | Publish Capabilities |