For New Listeners

Summary:

So you wanna know what Vocaloid is? Alright, then. Vocaloid is a singing-synthesis software. That's right, it's not an anime!
Those anime-styled characters that you see are just representations of the Vocaloid program.

There are many voices that can be used with the Vocaloid program, and each of these voices are referred to as Vocaloids themselves. Depending on the voice, a Vocaloid may be able to sing in English, Japanese, Spanish, Korean, Chinese, and soon, maybe even French. However, the Vocaloid software is not limited to its intended language; a user can attempt to have a Vocaloid sing in a different language if they wanted to. The Vocaloid software has been updated a few times; the latest Vocaloid software is Vocaloid3.

I personally think that the software is popular because it gives the chance for otherwise ordinary people to create any type of song they like. There is already an existing audience for them to appeal to, and the virtual singer is not affected by matters such as success or scandals. The singer is whatever the user wants them to be and the possibilities are just endless. It's that infinite creativity what I find most appealing about Vocaloid.

Vocaloid YouTube Playlist (this section in construction)

In this section, I will choose a song that I think best demonstrates a Vocaloid voicebank. This section is ordered from the earliest Vocaloids to the most recently released Vocaloids, so you may or may not find the early Vocaloids lacking in quality.
The videos in these playlists are influenced by my own personal opinion (So I apologize if it turns out that our tastes are different). Also, video selections may change as time passes.

VOCALOID:


Vocaloid Song Title Artist VocaDB
LEON
Male, English
Shiitake
LOLA
Female, English
The Girl in Byakkoya - White Tiger Field
(*Contains Human Vocals)
MIRIAM
Female, English
holy
MEIKO
Female, Japanese
Gaikai
KAITO
Male, Japanese
Footsteps of Time
(*COVER*)
AishuuP
(Song by Kobukuro)

VOCALOID2:

Vocaloid Song Title Artist VocaDB
Sweet Ann
Female, English
The Winner Takes It All
(*COVER*)
(Original by ABBA)
Hatsune Miku
Female, Japanese
Intersection Clear
Kagamine Rin
Female, Japanese
Meltdown ~piano.ver~
(*ARRANGEMENT*)
(Original by iroha)
Kagamine Len
Male, Japanese
Bringing the Rain
Prima
Female, English
Ave Maria
(*COVER*)
Gackpoid
(Kamui Gakupo)
Male, Japanese
Blue Funeral
Megurine Luka
Female, Japanese/English
Lie
(MV by Mike Inel)
Megpoid
(GUMI)
Female, Japanese
Life Reset Button
SONiKA
Female, English
aiSeNMa
SF-A2 miki
Female, Japanese
Sky Clad no Kansokusha
(*COVER*)
HaroP
(Song of Steins;Gate)
Kaai Yuki
Female, Japanese
PNDR
Hiyama Kiyoteru
Male, Japanese
under the darkness
(*COVER*)
Kokutou PockyP
(Song of Kichiku Megane)
Big Al
Male, English
New York, New York
(*COVER*)
GiuseppeP
(Song of New York, New York)
Hatsune Miku Append (Sweet)
Female, Japanese
change my world
Hatsune Miku Append (Dark)
Female, Japanese
straggling
Hatsune Miku Append (Soft)
Female, Japanese
Into Your EYEs
Hatsune Miku Append (Light)
Female, Japanese
Ooh La La
(*COVER*)
CircusP
(Song of Britney Spears)
Hatsune Miku Append (Vivid)
Female, Japanese
Let'sStart
Hatsune Miku Append (Solid)
Female, Japanese
Parades
Tonio
Male, English
Una furtiva lagrima
(*COVER*)
GiuseppeP
(Song of L'elisir d'amore)
Lily
Female, Japanese
ELECT
VY1
No Gender (Feminine), Japanese
Gachapoid
(Ryuto)
Male, Japanese
GAJAPINAX
Nekomura Iroha
Female, Japanese
Tokiiro no Utahime
Utatane Piko
Male, Japanese
Yubikiri
(*COVER*)
LuYurippe
(Original by YanagamoP)
Kagamine Rin Append (Power)
Female, Japanese
Applause
(*COVER*)
SilverXxXSakura
(Song of Lady Gaga)
Kagamine Rin Append (Warm)
Female, Japanese
Tori no Uta
(*COVER*)
BlackRockShooter181
(Song of Air)
Kagamine Rin Append (Sweet)
Female, Japanese
White Knight
(*COVER*)
pKotetsu
(Original by EmpathP)
Kagamine Len Append (Power)
Male, Japanese
Plus/Space
(*Kagamine Rin and the non-append Kagamine 
Len also sing as background vocalists)
(*SELF-COVER*)
Kagamine Len Append (Cold)
Male, Japanese
Pulse
Kagamine Len Append  (Serious)
Male, Japanese
Cryogenic
(*COVER*)
RentouP
(Original by sleepless)
VY2
No Gender (Masculine), Japanese
Hurting for a Very Hurtful Pain
(*VY1V3 also sings in this song)
VocaDB

VOCALOID3:

Vocaloid Song Title Artist VocaDB
Mew
Female, Japanese
Stella
SeeU
Female, Korean
ITA-BASAMI
V3 Megpoid (Power)
Female, Japanese
Beat
V3 Megpoid (Whisper)
Female, Japanese
I(Ai)
V3 Megpoid (Adult)
Female, Japanese
Sweet Devil
(*COVER*)
Rei Hitorine
(Original by 8#Prince)
V3 Megpoid (Sweet)
Female, Japanese
Lovely Bell
VY1VY3
No Gender (Feminine), Japanese
Hope for Azure Sky
Tone Rion
Female, Japanese
Thousand Regrets
Oliver
Male, English
Tarantula
CUL
Female, Japanese
EVE
Yuzuki Yukari
Female, Japanese
0:00
Bruno
Male, Spanish
Volare
(*COVER*)
GiuseppeP
(Song of Domenico Modugno)
Clara
Female, Spanish
SISTEMA RECARGADO
(MV by Kazuyo49)
IA
Female, Japanese
SEE THE LIGHTS
(*SELF-COVER*)
V3 Megpoid (Native)
Female, Japanese
Coward Montblanc (Spanish ver.)
(*COVER*)
LordGumoMegpoid
(Original by DECO*27)
Aoki Lapis
Female, Japanese
Little Wish
V3 Lily
Female, Japanese
crescendo
V3 Lily (Native)
Female, Japanese
Threadnation
(*COVER*)
cillia
(Original by EZFG)
Luo Tianyi
Female, Chinese
Starting Line
V3 Gackpoid (Native)
Male, Japanese
Chiisana Hana
V3 Gackpoid (Whisper)
Male, Japanese
April Fool
(*COVER*)
xXMachiiXx
(Original by ryuryu)
V3 Gackpoid (Power)
Male, Japanese
Fall into Unseen Darkness
(*VY2V3 also sings in this song)
(*COVER*)
Aster Selene
(Original by kaoling)
galaco
Female, Japanese
Perfectionist Complex
(*COVER*)
VocaApple
(Original by yamikuro)
VY2V3 (standard)
Male, Japanese
Iroha Uta
(*COVER*)
KannazukiP
(Original by Ginsaku)
VY2V3 (falsetto)
Male, Japanese
Usotsuki≦Simulation
MAYU
Female, Japanese
A Lie and Stuffed Rabbit
Avanna
Female, English
Emotionless
KAITO V3 (Straight)
Male, Japanese
Yuragi
(*COVER*)
CircusP
(Original by niki)
KAITO V3 (Soft)
Male, Japanese
Caged Flower
KAITO V3 (Whisper)
Male, Japanese
Story of Automaton Clock and Love
KAITO V3 (English)
Male, English
Anonymous
(*SELF-COVER*)
V3 Megpoid (English)
Female, English
Caitlin
ZOLA Project (YUU)
Male, Japanese
Wave, Wave, Wave
ZOLA Project (KYO)
Male, Japanese
Meltdown (nitamagoMix)
(*COVER/REMIX*)
Alpha41137
(Original by iroha, Remix by baker)
ZOLA Project (WIL)
Male, Japanese
My Everything, All of it to You
Yan He
Female, Japanese
Newborn
Hatsune Miku V3 (English)
Female, English
Closure (S2 Mix)
(*REMASTER*)
YOHIOloid
Male, English/Japanese
NeapolitaN
Hatsune Miku V3 (Original)
Female, Japanese
Packaged (Shipping in 2013 Remix)
(*SELF-REMIX*)
Hatsune Miku V3 (Sweet)
Female, Japanese
Chikatetsu no Zaji
Hatsune Miku V3 (Dark)
Female, Japanese
clock work
Hatsune Miku V3 (Soft)
Female, Japanese
Genesis
Hatsune Miku V3 (Solid)
Female, Japanese
WAVE
(*COVER*)
KalfinaYork
(Original by niki)
Hatsune Miku V3 (Light)
Female, Japanese
Blushifying Phenomena 100%
Hatsune Miku V3 (Vivid)
Female, Japanese
Kimi wo Shiru Koto
MAIKA
Female, Spanish
Waves of Change
(*KAITO V3 (English) also sings in this song)
Merli
Female, Japanese
Justitia
Macne Nana
Female, Japanese/English
Ryuu no Se ni Notte
MEIKO V3 (Power)
Female, Japanese
The White Snow Princess is
(*COVER*)
cillia
(Original by Noboru↑P)
MEIKO V3 (Straight)
Female, Japanese
-ERROR
(*COVER*)
Daniel Cordero
(Original by niki)
MEIKO V3 (Dark)
Female, Japanese
Akikaze Sou
MEIKO V3 (Whisper)
Female, Japanese
Apriloop
(*COVER*)
Fandescc
(Original by Nekobolo)
MEIKO V3 (English)
Female, English
Witness
(*KAITO V3 (English) also sings in this song)
kokone
Female, Japanese
Beats of Silence
Anon
Female, Japanese
Innocence
(*COVER*)
MythrilOreMineral
(Original by KazuP)
Kanon
Female, Japanese
Risky Game
(*COVER*)
Aiko Shimizu
(Original by KurousaP)

Unreleased Voicebanks:

Vocaloid Song Title Artist VocaDB
UNNAMED VOICEBANK
(Often incorrectly referred to as ZEKE)
(Unknown Engine, Language: Unknown, 
Status: Private)
(*Note: This voicebank was featured in the game Metal Gear Solid: Peace Walker)
Doctor Who's Theme
(*COVER*)
Fireholly99
(Song of Doctor Who)
Masaoka Azuki
(Vocaloid2 Lite, Female, Japanese
Status: Private)
(Hackers have ripped the voicebank from Project 575 games. The voicebank has been  illegally imported into Vocaloid3)
PONPONPON
(*COVER*)
gran678
(Song of Kyary Kyary Pamyu)
Kobayashi Matcha
(Vocaloid2 Lite, Female, Japanese
Status: Private)
(Hackers have ripped the voicebank from Project 575 games. The voicebank has been  illegally imported into Vocaloid3)
Meltdown
(*COVER*)
MattplusBC
(Original by iroha)
Akikoloid-chan
(Vocaloid3, Female, Japanese
Status: Private)
(Akikoloid-chan is licensed by LAWSON, INC)
Colorful Filter
ONA
(Vocaloid3, Female, Catalan/Spanish
Status: Private)
(She is a concert-only Vocaloid)
Viu-la
(*COVER*)
Voctro Labs
(Song of Filippo Landini)
Ueki-loid
(Vocaloid3, Male, Japanese,
Status: Private)
(Ueki-loid will never be released as his voice is sampled from recordings of a deceased singer.)
Forever With You
(*COVER*)
???
(Song of Kayama Yuuzou)
galaco (Red)
(Vocaloid3, Female, Japanese
Status: Unreleased)
(A trial was offered with the purchase of  the "galaco SUPER BEST" CD.)
Tawagoto Speaker
(*COVER*)
Mayumi Aiko
(Original by Nekobolo)
galaco (Blue)
(Vocaloid3, Female, Japanese
Status: Unreleased)
(A trial was offered with the purchase of  the "galaco SUPER BEST" CD.)
EUPHORIA
IA α type C
(Vocaloid3, Female, Japanese
Status: Beta Voicebank)
(A trial was offered in mid-February 2014 of a new IA beta voicebank. The trial is no longer available.)
KiLLER LADY
(*COVER*)
Hiru - kun
(Original by 8#Prince)
Touhoku Zunko
(Vocaloid3, Female, Japanese
Status: Unreleased)
(NOTE: Touhoku Zunko is also a VOICEROID. There are currently no Vocaloid demos for Touhoku Zunko, so a Voiceroid video is featured as a placeholder.)
There's Supposed to Be a Cheat Code for Happiness
(*COVER*)
CircusP
(Original by UtataP)
Anri Rune
(Vocaloid3, Female, Japanese
Status: Unreleased)
(There have been no news of her since her unveilment. It is unknown whether or not she will be a commercial or private Vocaloid.)
Hallelujah Super Idol
ALYS
(Vocaloid3, Female, French/Japanese
Status: Unreleased)
(AVocaloid that is currently being developed by a small-scale company. In order for the Vocaloid to be produced, she must reach her crowdfunding goal.)
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-
-
Megurine Luka V3
(Vocaloid3, Female, Japanese/English
Status: Unreleased)
(A V3 update of Megurine Luka with additional voicebanks)
Dance Under the Snow and Starry Sky (Zeal mix)
(*SELF-REMIX*)
Kagamine Rin V3
(Vocaloid3, Female, Japanese
Status: Unreleased)
(A V3 update of Kagamine Rin with additional voicebanks)
-
-
-
Kagamine Len V3
(Vocaloid3, Male, Japanese/English
Status: Unreleased)
(A V3 update of Kagamine Len with additional voicebanks)
-
-
-
Kagamine Rin V3 (English)
(Vocaloid3, Female, English
Status: Unreleased)
(An English Voicebank for Kagamine Rin)
-
-
-
Kagamine Len V3 (English)
(Vocaloid3, Male, English
Status: Unreleased)
(An English Voicebank for Kagamine Len)
-
-
-
SeeU (English)
(Vocaloid3, Female, English
Status: On Hold)
(An English Voicebank for SeeU. Voicebank production was put on hold for unknown reasons. SBS Artech is considering continuing the voicebank production)
-
-
-
Ring Suzune
(Vocaloid3, Female, Japanese
Status: Unreleased)
(Ring Suzune was originally set to be released in Fall/Winter 2011. However, for unknown reasons, she has not been released. There has not been information about her for a long time, and in 2013, VocaNext's website became inaccessible. A few individuals were able to receive trials of Ring Suzune at a small-scale event.)
Shinkai
Hibiki Lui
(Vocaloid3, Male, Japanese
Status: Unreleased)
(Hibiki Lui was originally set to be released in Winter/Spring 2012. However, for unknown reasons, she has not been released. There has not been information about him for a long time, and in 2013, VocaNext's website became inaccessible.)
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*Note: The "P"s on the end of an artist name are honorifics, similar to the western "Mr." and "Ms.". The "P"s refer to "Producer". In the Overseas Vocaloid Community, giving yourself a "P" is usually considered rude and it is looked down upon. On the flip side, however, it is often prevalent in the Japanese Community. (Personally, I think you should do whatever you want. In the end, though, it's the fans that decide whether or not to refer to you by your -P name.)
*Note: For future references, you will often see videos include PV in their title. PV stands for "Promotional Video"; it is the Japanese equivalent of MV (Music Video).
*Note: VocaDB is a database that meticulously organizes Vocaloid/UTAU/Voice-Synth albums and songs. It's a very valuable tool for finding information and sources about any song or album you're looking for.