Task Switcher

"Why that?" some might ask. "If I long-press the Home key, isn't that a task switcher?" Yes and no. Many but not all users know: this shortcut only lists the most recently used apps – regardless whether they are still running, or you incidentally closed them. So if you want to switch between running tasks, or like to have your "most important shortcuts" available wherever you are, that's not the place to look. But the following apps might be:

Cleanup Overview of „Recent Apps“

2019-08-02

[root] Recently (4.6@3,192) Ǥ 2 $Contains no known trackers \o/$ LastUpdate: 2017-12-02 Vorstellung 4/2015

Task Switcher

2019-08-10

EAS: Easy App Switcher (4.6@3,024) 10 $Contains no known trackers \o/$ LastUpdate: 2017-08-19 / EAS: Easy App Switcher Donate (4.9@56; ~EUR 3.25) 0 LastUpdate: 2017-04-14
PreHome (4.5@1,838) 7 $Contains no known trackers \o/$ LastUpdate: 2013-01-03
LAS: Last App Switcher (4.4@5,804) 6 $Contains no known trackers \o/$ LastUpdate: 2016-05-28 Intro 8/2014
Sidebar, Edge Screen, Shortcuts - Swiftly Switch (4.4@4,700) Ǥ 24 / Swiftly switch - Pro (4.7@1,597; ~EUR 5.00) Ǥ 23
DIESEL : App Switcher (4.3@817) Ǥ 8 / Recent App Switcher (DIESEL Pro) (4.3@1,284; ~EUR 0.50) 4
GMD GestureControl Lite ★ root (4.2@4,291) 16 / GMD GestureControl ★ root (4.7@3,032; ~EUR 6.00) 16 LastUpdate: 2018-01-10 Vorstellung 2/2012; Intro 8/2013; Video Review 12/2013; root required
Side Apps Bar - Edge Sidebar (4.1@4,514) Ǥ 17 LastUpdate: 2017-07-02
Recent Bar (4.1@572) 6 $Contains no known trackers \o/$ LastUpdate: 2016-09-15
Switchr - App Switcher (4@17,601) 9 / Switchr Pro Key (4.2@1,904; ~EUR 2.00) 0 LastUpdate: 2014-11-10 Vorstellung 10/2013 | 11/2013; Video Review 10/2013 | 1/2014; Review 10/2013; Testbericht 10/2013
AppSwipe! (Task Switcher) (3.8@685) 6 $Contains no known trackers \o/$ LastUpdate: 2014-02-03

Task Manager including Task Switchers

2019-08-10

Express Task Manager Free (4.1@191) 4 LastUpdate: 2014-09-02 / Express Task Manager (4.5@43; ~EUR 1.00) Ǥ 4 LastUpdate: 2014-09-02

Other Also-Task-Switcher

2019-08-10

Smart Taskbar 2 (V2) (4.1@805) 16 $Contains no known trackers \o/$ LastUpdate: 2017-03-14 / Smart Taskbar 1 (V1) (4.3@5,440) 18 $Contains no known trackers \o/$ LastUpdate: 2017-03-26

Quick Starter

2019-08-10

JINA: App Drawer, Sidebar & Folder Organizer (4.8@3,112) Ǥ 21 / JINA Apps Organizer (4.5@254) 5 LastUpdate: 2015-04-01 Video Intro 8/2016
AppDialer Pro, instant app/contact search, T9 (4.8@2,389) Ǥ 11 Intro 11/2013
SwipePad - Gesture Launcher (4.7@19) Ǥ 10 LastUpdate: 2017-02-10
Circle SideBar (4.5@13,793) Ǥ 19 / Circle Sidebar Pro (4.3@705; ~EUR 2.00) Ǥ 18
Home Button Launcher (4.5@3,577) 3 Vorstellung 2/2013; Kurzvorstellung 11/2013; Intro 5/2014
Swapps! All Apps, Everywhere (4.4@20,471) Ǥ 9 LastUpdate: 2017-12-18 Video Review 2/2013; Review 5/2013
Floating Toolbox (4.4@5,648) Ǥ 11 $Contains no known trackers \o/$ / Floating Toolbox (Pro) (4.4@325; ~EUR 1.75) Ǥ 11 LastUpdate: 2018-01-13
Taskbar - PC-style productivity for Android (4.4@3,195) 8 $Contains no known trackers \o/$ Github
Floating ToolBox (4.4@2,537) Ǥ 12 Kurzvorstellung 2/2015 | 3/2015; Video Demo 3/2015
Sub Launcher (Quick ignition) (4.4@566) Ǥ 25 / Sub Launcher Lite (4.3@96) Ǥ 25
Fast Access (Floating Toolbox) (4.4@106) Ǥ 8 LastUpdate: 2018-01-02
Bar Launcher (4.3@4,656) 1 $Contains no known trackers \o/$ LastUpdate: 2016-02-09 Intro 4/2014; Vorstellung 6/2014; Test 12/2013
SideControl (4.2@4,615) 21 LastUpdate: 2014-12-14 Vorstellung 3/2014
App Swap Drawer - T9 Search (4.2@4,077) Ǥ 16 $Contains no known trackers \o/$ LastUpdate: 2017-12-16 Vorstellung 8/2014; Intro 6/2016
Everywhere Launcher - Sidebar Edge Launcher (4.2@442) Ǥ 16
Launchify- Quick App Shortcuts (4.1@1,043) Ǥ 15 $Contains no known trackers \o/$ Review 1/2016
Floatoo - Floating Launcher (4.1@326) Ǥ 25
Sidebar Plus (Multi-bars) (4@8,473) Ǥ 32 $Contains no known trackers \o/$ LastUpdate: 2017-08-23 Vorstellung 9/2013
Smart Drawer - Apps Organizer (4@1,561) Ǥ 22 Review 6/2017
Multi Window Sidebar (3.9@75) Ǥ 16 LastUpdate: 2017-08-03
Quickr - Action Launcher (3.6@926) Ǥ 23 LastUpdate: 2014-10-01 Vorstellung 2/2014
Taskbar (0@11) Ǥ 27 LastUpdate: 2017-08-23 Vorstellung 12/2014; quick starter in the style of the Windows taskbar/menu

Other Task Switchers

2019-08-01

Parallel Space - Multiple accounts & Two face (4.6@3,912,801) Ǥ 98 / Parallel Space - 64Bit Support (4@101,242) Ǥ 94 $Contains no known trackers \o/$ use multiple instances of an app

Further Readings:

2019-08-14

IzzyOnDroid

Task Switcher

Cleanup Overview of „Recent Apps“

Task Switcher

Task Manager including Task Switchers

Other Also-Task-Switcher

Quick Starter

Other Task Switchers