RAPTOR is a flowchart-based programming environment, designed specifically to help students visualize their algorithms and avoid syntactic baggage. RAPTOR programs are created visually and executed visually by tracing the execution through the flowchart. Required syntax is kept to a minimum. Students prefer using flowcharts to express their algorithms, and are more successful creating algorithms using RAPTOR than using a traditional language or writing flowcharts without RAPTOR.
Are you interested in running RAPTOR on Chromebooks, iPads, or just in a browser? Check out the pre-release here!. This is NOT fully tested. Send feedback via
A Multiplatform version of RAPTOR is now available for Windows, Mac and Linux built on top of [Avalonia]! See the downloads section below. Uses fonts from Noto Sans CJK for internationalization. Key differences:
Figure 1 RAPTOR for Windows
Figure 2 RAPTOR Avalonia
Papers on RAPTOR application:
RAPTOR referenced in following books or publications:
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In the secular and social media space, "Nee Oru Varthai Sonnal Pothum" (If You Just Say One Word) is a popular tagline for romantic melodies and Instagram reels.
It is frequently used for WhatsApp status videos and trending reels due to its deep emotional appeal.
For performers or worship leaders, sites like ChordsVer provide the musical structure.
You can find this track on major streaming platforms like Spotify and JioSaavn . 2. The Romantic "Nee Oru Varthai" Version
This version focuses on human love and the strength one gains from their partner's voice.
This version is famously associated with Rev. David E. Stewart (Singer) and Rev. Paul Thangiah (Lyricist).
For those looking for a (e.g., for presentations, editing, or personal listening), it is best to use official legal channels: Streaming: Listen on Apple Music or YouTube .
The search for reveals two distinct and popular versions: a soulful Tamil Christian devotional track and a romantic secular melody often featured in social media trends. 1. The Devotional Masterpiece
Modern artists like Joel Bose and Gersson Edinbaro have also released popular singles with similar titles that bridge the gap between contemporary music and spiritual worship. How to Access the Song
The lyrics reflect the biblical belief that a single word from God can change a person's life, heal the sick, and turn "dry lands into fertile fields".
In the secular and social media space, "Nee Oru Varthai Sonnal Pothum" (If You Just Say One Word) is a popular tagline for romantic melodies and Instagram reels.
It is frequently used for WhatsApp status videos and trending reels due to its deep emotional appeal.
For performers or worship leaders, sites like ChordsVer provide the musical structure. Nee Oru Varthai Sonnal Pothum Song WORK Download
You can find this track on major streaming platforms like Spotify and JioSaavn . 2. The Romantic "Nee Oru Varthai" Version
This version focuses on human love and the strength one gains from their partner's voice. In the secular and social media space, "Nee
This version is famously associated with Rev. David E. Stewart (Singer) and Rev. Paul Thangiah (Lyricist).
For those looking for a (e.g., for presentations, editing, or personal listening), it is best to use official legal channels: Streaming: Listen on Apple Music or YouTube . You can find this track on major streaming
The search for reveals two distinct and popular versions: a soulful Tamil Christian devotional track and a romantic secular melody often featured in social media trends. 1. The Devotional Masterpiece
Modern artists like Joel Bose and Gersson Edinbaro have also released popular singles with similar titles that bridge the gap between contemporary music and spiritual worship. How to Access the Song
The lyrics reflect the biblical belief that a single word from God can change a person's life, heal the sick, and turn "dry lands into fertile fields".
Do you want more older versions? Check out older versions of RAPTOR here
Did you know RAPTOR has modes? By default, you start in Novice mode. Novice mode has a single global namespace for variables. Intermediate mode allows you to create procedures that have their own scope (introducing the notion of parameter passing and supports recursion). Object-Oriented mode is new (in the Summer 2009 version)
RAPTOR is freely distributed as a service to the CS education community. RAPTOR was originally developed by and for the US Air Force Academy, but its use has spread and RAPTOR is now used for CS education in over 30 countries on at least 4 continents. Martin Carlisle is the primary maintainer, and is a professor at Texas A&M University.
Below handouts are by Elizabeth Drake, edited from Appendix D of her book, Prelude to Programming: Concepts and Design, 5th Edition, by Elizabeth Drake and Stewart Venit, Addison-Wesley, 2011. Linked here with author's permission.
Comments, suggestions, and bug reports are welcome. If you have a comment, suggestion or bug report, send an email to .
David Cox has put together a user forum at http://raptorflowchart.freeforums.org. This provides a place for users to exchange ideas, how tos, etc. Note however, that feedback for the author should be sent by email rather than posting on this forum.
Randy Bower has some YouTube tutorials at http://www.youtube.com/user/RandallBower. You can also search YouTube for "RAPTOR flowchart".
The UML designer is based on NClass, an open-source UML Class Designer. NClass is licensed under the GNU General Public License. The rest of RAPTOR, by US Air Force policy, is public domain. Source is found here. RAPTOR is written in a combination of A# and C#. Unfortunately, I don't have the time to provide support on compilation issues